{"id":2215,"date":"2020-11-16T17:09:30","date_gmt":"2020-11-16T08:09:30","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=2215"},"modified":"2022-07-20T18:45:12","modified_gmt":"2022-07-20T09:45:12","slug":"linear-equation","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/linear-equation.html","title":{"rendered":"\u4e00\u6b21\u65b9\u7a0b\u5f0f\uff1a\u79fb\u9805\u3092\u4f7f\u3046\u554f\u984c\u306e\u89e3\u304d\u65b9\u3068\u6587\u7ae0\u984c\u306e\u30b3\u30c4"},"content":{"rendered":"\n<p>\u6570\u5b66\u306e\u8a08\u7b97\u3067\u306f\u3001\u6570\u5b57\u3067\u306f\u306a\u304f\u6587\u5b57\u3092\u4f7f\u3046\u3053\u3068\u304c\u983b\u7e41\u306b\u3042\u308a\u307e\u3059\u3002\u6587\u5b57\u5f0f\uff08\u4ee3\u6570\u5f0f\uff09\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7c21\u5358\u306b\u8a08\u7b97\u554f\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u4ee3\u6570\u5f0f\u3067\u6700\u3082\u91cd\u8981\u306a\u5206\u91ce\u306e\u4e00\u3064\u304c<span style=\"color: #ff0000;\">\u4e00\u6b21\u65b9\u7a0b\u5f0f<\/span>\u3067\u3059\u3002\u65e5\u5e38\u751f\u6d3b\u306e\u8a08\u7b97\u3067\u3082\u983b\u7e41\u306b\u5229\u7528\u3055\u308c\u308b\u306e\u304c\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3067\u3042\u308a\u3001\u6570\u5b66\u306e\u57fa\u672c\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u5206\u304b\u3089\u306a\u3044\u6570\u5b57\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306b\u3088\u3063\u3066\u7b54\u3048\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u65b9\u7a0b\u5f0f\u306b\u306f\u6027\u8cea\u304c\u3042\u308a\u3001\u5b9a\u7fa9\u3084\u6982\u8981\u3092\u7406\u89e3\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u307e\u305f\u6587\u7ae0\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308c\u3070\u3001\u65e5\u5e38\u751f\u6d3b\u3067\u306e\u8a08\u7b97\u3067\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3069\u306e\u3088\u3046\u306b\u8003\u3048\u3066\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u5229\u7528\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u6027\u8cea\u3084\u89e3\u304d\u65b9\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u65b9\u7a0b\u5f0f\u306e\u610f\u5473\u3068\u5b9a\u7fa9<\/h2>\n<p>\u307e\u305a\u3001\u65b9\u7a0b\u5f0f\u3068\u306f\u4f55\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u5b9a\u7fa9\u3092\u7406\u89e3\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u5206\u304b\u3089\u306a\u3044\u6570\u5b57\u304c\u5f0f\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3092\u5229\u7528\u3057\u305f\u5f0f\u3092\u4ee3\u6570\u5f0f\u3068\u3044\u3044\u307e\u3059\u3002\u6587\u5b57\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u591a\u9805\u5f0f\u306e\u8a08\u7b97\u3092\u5b66\u3093\u3067\u3044\u308b\u5834\u5408\u3001\u6587\u5b57\u3092\u7528\u3044\u305f\u5f0f\u306f\u65e2\u306b\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u3002<span style=\"color: #0000ff;\">\u591a\u9805\u5f0f\u3067\u306f\u3001\\(x\\)\u306b\u6570\u5b57\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u7b54\u3048\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span>\u4f8b\u3048\u3070\u3001\\(3x+1\\)\u306b\u6570\u5b57\u3092\u4ee3\u5165\u3059\u308b\u3068\u3001\u7b54\u3048\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1920\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/rjhe9.jpg\" alt=\"\" width=\"600\" height=\"233\" \/><\/p>\n<p>\u4e00\u65b9\u3067<span style=\"color: #0000ff;\">\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u6570\u5b57\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u7b54\u3048\u304c\u6b63\u3057\u304b\u3063\u305f\u308a\u3001\u7b54\u3048\u304c\u9055\u3063\u3066\u3044\u305f\u308a\u3057\u307e\u3059\u3002<\/span><\/p>\n<p>\u4f8b\u3048\u3070\u3001\\(3x+1=10\\)\u3068\u3044\u3046\u5f0f\u304c\u3042\u308b\u3068\u304d\u3001\u7b54\u3048\u306f\u3069\u306e\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002\\(x\\)\u306b\u3055\u307e\u3056\u307e\u306a\u6570\u5b57\u3092\u5f53\u3066\u306f\u3081\u3066\u307f\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(x=1\u30013\u00d71+1=10\\)\uff1a\u9593\u9055\u3044<\/li>\n<li>\\(x=2\u30013\u00d72+1=10\\)\uff1a\u9593\u9055\u3044<\/li>\n<li>\\(x=3\u30013\u00d73+1=10\\)\uff1a\u6b63\u89e3<\/li>\n<\/ul>\n<p>\u3069\u306e\u3088\u3046\u306a\u6570\u5b57\u3092\u4ee3\u5165\u3057\u3066\u3082\u3044\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7279\u5b9a\u306e\u6570\u5b57\u306e\u307f\u7b54\u3048\u3092\u5c0e\u304d\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u65b9\u7a0b\u5f0f\u3067\u306f\u7b49\u53f7\uff08\\(=\\)\uff09\u304c\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u5f0f\u3092\u6e80\u305f\u3059\\(x\\)\u306f\u9650\u3089\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n<h3>\u65b9\u7a0b\u5f0f\uff08\u7b49\u5f0f\uff09\u306e\u7b49\u53f7\u304c\u3082\u30645\u3064\u306e\u6027\u8cea<\/h3>\n<p>\u65b9\u7a0b\u5f0f\u3067\u306f\u5fc5\u305a\u7b49\u53f7\uff08\\(=\\)\uff09\u304c\u3042\u308a\u307e\u3059\u3002<span style=\"color: #ff0000;\">\u30a4\u30b3\u30fc\u30eb\u306e\u610f\u5473\u3067\u3042\u308b\u305f\u3081\u30012\u3064\u304c\u7b49\u3057\u3044\u5834\u5408\u306f\u7b49\u53f7\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span>\u306a\u304a\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u8a00\u8449\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5de6\u8fba\uff1a\u5de6\u306b\u3042\u308b\u7b49\u5f0f<\/li>\n<li>\u53f3\u8fba\uff1a\u53f3\u306b\u3042\u308b\u7b49\u5f0f<\/li>\n<li>\u4e21\u8fba\uff1a\u5de6\u8fba\u3068\u53f3\u8fba<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2216\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/regh9.jpg\" alt=\"\" width=\"383\" height=\"315\" \/><\/p>\n<p>\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u8868\u3059\u7b49\u5f0f\u306b\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u8a00\u8449\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u91cd\u8981\u306a\u306e\u306f\u3001<span style=\"color: #ff0000;\">\u7b49\u53f7\u306b\u306f5\u3064\u306e\u6027\u8cea\u304c\u3042\u308b<\/span>\u3053\u3068\u3067\u3059\u3002\u7b49\u53f7\u3092\u542b\u3080\u5f0f\u306b\u3064\u3044\u3066\u3001\u3069\u306e\u3088\u3046\u306a\u6027\u8cea\u304c\u3042\u308b\u306e\u304b\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u554f\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u65b9\u7a0b\u5f0f\u306e\u6027\u8cea\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u3066\u3093\u3073\u3093\u3092\u601d\u3044\u6d6e\u304b\u3079\u308c\u3070\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u7b49\u5f0f\u3067\u306f\u3001\u7b49\u53f7\u3092\u4f7f\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5de6\u8fba\u3068\u53f3\u8fba\u306f\u7b49\u3057\u304f\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u56f3\u306b\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2218\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse2-1.jpg\" alt=\"\" width=\"462\" height=\"234\" \/><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u5de6\u8fba\u3068\u53f3\u8fba\u304c\u7b49\u53f7\u306b\u3088\u3063\u3066\u7b49\u3057\u304f\u306a\u3063\u3066\u304a\u308a\u3001\\(A=B\\)\u3068\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e5\u3064\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u540c\u3058\u6570\u306e<span style=\"color: #ff0000;\">\u8db3\u3057\u7b97<\/span>\u3092\u3057\u3066\u3082\u3001\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064<\/li>\n<li>\u540c\u3058\u6570\u306e<span style=\"color: #ff0000;\">\u5f15\u304d\u7b97<\/span>\u3092\u3057\u3066\u3082\u3001\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064<\/li>\n<li>\u540c\u3058\u6570\u306e<span style=\"color: #ff0000;\">\u639b\u3051\u7b97<\/span>\u3092\u3057\u3066\u3082\u3001\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064<\/li>\n<li>\u540c\u3058\u6570\u306e<span style=\"color: #ff0000;\">\u5272\u308a\u7b97<\/span>\u3092\u3057\u3066\u3082\u3001\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064<\/li>\n<li><span style=\"color: #ff0000;\">\u4e21\u8fba\u3092\u4ea4\u63db<\/span>\u3057\u3066\u3082\u3001\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064<\/li>\n<\/ul>\n<p>\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u30fb\\(A=B\\)\u306a\u3089\u3070\u3001\\(A+C=B+C\\)\u3068\u306a\u308b<\/strong><\/p>\n<p>\u7b49\u5f0f\u306e\u5834\u5408\u3001\u306a\u305c\u540c\u3058\u6570\u3092\u4e21\u8fba\u306b\u8db3\u3057\u3066\u3082\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u308c\u306f\u3001\u540c\u3058\u6570\u3092\u8db3\u3057\u3066\u3082\u4e21\u8fba\u304c\u7b49\u3057\u304f\u306a\u308b\u304b\u3089\u3067\u3059\u3002\u540c\u3058\u3082\u306e\u3092\u52a0\u3048\u3066\u3082\u3001\u3066\u3093\u3073\u3093\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2221\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse3-1.jpg\" alt=\"\" width=\"463\" height=\"290\" \/><\/p>\n<p><strong>\u30fb\\(A=B\\)\u306a\u3089\u3070\u3001\\(A-C=B-C\\)\u3068\u306a\u308b<\/strong><\/p>\n<p>\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u4e21\u8fba\u304b\u3089\u540c\u3058\u6570\u3092\u5f15\u3044\u3066\u3082\u6210\u308a\u7acb\u3061\u307e\u3059\u3002\u8db3\u3057\u7b97\u3060\u3051\u3067\u306a\u304f\u3001\u5f15\u304d\u7b97\u3092\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2231\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse8.jpg\" alt=\"\" width=\"462\" height=\"290\" \/><\/p>\n<p><strong>\u30fb\\(A=B\\)\u306a\u3089\u3070\u3001\\(A\u00d7C=B\u00d7C\\)\u3068\u306a\u308b<\/strong><\/p>\n<p>\u65b9\u7a0b\u5f0f\u3067\u306f\u4e21\u8fba\u306e\u639b\u3051\u7b97\u3092\u3057\u3066\u3082\u3044\u3044\u3067\u3059\u3002\u4e21\u8fba\u306f\u7b49\u3057\u304f\u306a\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2223\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse5.jpg\" alt=\"\" width=\"462\" height=\"361\" \/><\/p>\n<p><strong>\u30fb\\(A=B\\)\u306a\u3089\u3070\u3001\\(\\displaystyle\\frac{A}{C}=\\displaystyle\\frac{B}{C}\\)\u3068\u306a\u308b<\/strong><\/p>\n<p>\u4e21\u8fba\u306b\u540c\u3058\u6570\u306e\u5272\u308a\u7b97\u3092\u3057\u3066\u3082\u3001\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002\u306a\u304a\u4ee3\u6570\u5f0f\u3067\u306f\u3001\u5272\u308a\u7b97\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u3059\u3079\u3066\u306e\u5272\u308a\u7b97\u3092\u5206\u6570\u306e\u639b\u3051\u7b97\u306b\u76f4\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5272\u308a\u7b97\u3067\u306f\u306a\u304f\u3001\u5206\u6570\u306e\u639b\u3051\u7b97\u3067\u516c\u5f0f\u304c\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2224\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse6.jpg\" alt=\"\" width=\"463\" height=\"432\" \/><\/p>\n<p><strong>\u30fb\\(A=B\\)\u306a\u3089\u3070\u3001\\(B=A\\)\u3068\u306a\u308b<\/strong><\/p>\n<p>\u65b9\u7a0b\u5f0f\u304c\u6210\u308a\u7acb\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u5de6\u8fba\u3068\u53f3\u8fba\u3092\u4ea4\u63db\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u4e21\u8fba\u306f\u7b49\u3057\u3044\u305f\u3081\u3001\u4ea4\u63db\u3057\u305f\u3068\u3057\u3066\u3082\u30a4\u30b3\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2226\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse7-1.jpg\" alt=\"\" width=\"600\" height=\"140\" \/><\/p>\n<p>\u3053\u3053\u307e\u3067\u8aac\u660e\u3057\u305f\u7b49\u53f7\u306e\u6027\u8cea\u306b\u3064\u3044\u3066\u3001\u5f53\u305f\u308a\u524d\u306e\u3088\u3046\u306b\u601d\u3046\u4eba\u304c\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305f\u3060\u3001\u3053\u308c\u306f\u3066\u3093\u3073\u3093\u3092\u4f8b\u306b\u8003\u3048\u308b\u304b\u3089\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3067\u300c\\(A=B\\)\u306a\u3089\u3070\u3001\\(A-C=B-C\\)\u3068\u306a\u308b\u300d\u306a\u3069\u306e\u3088\u3046\u306b\u3001\u516c\u5f0f\u3060\u3051\u8a18\u3055\u308c\u3066\u3082\u7406\u89e3\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u5b66\u3076\u3068\u304d\u3001\u591a\u304f\u306e\u4eba\u304c\u7406\u89e3\u3067\u304d\u305a\u306b\u56f0\u308b\u306e\u304c\u7b49\u5f0f\u306e\u6027\u8cea\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u3053\u308c\u3089\u7b49\u5f0f\u306e\u6027\u8cea\u3092\u56f3\u306b\u3088\u3063\u3066\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u79fb\u9805\u306b\u3088\u308a\u3001\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u554f\u984c\u3092\u89e3\u304f<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u554f\u984c\u3092\u89e3\u3051\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u308c\u306b\u306f\u3001\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u7b49\u53f7\u306e\u6027\u8cea\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e21\u8fba\u306b\u5bfe\u3057\u3066\u3001\u540c\u3058\u6570\u3092\u8db3\u3057\u3066\u3082\u5f15\u3044\u3066\u3082\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\\(x+2=11\\)\u306f\u4ee5\u4e0b\u306e\u9806\u756a\u3067\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>\\(x+2=11\\)<\/li>\n<li>\\(x+2\\color{red}{-2}=11\\color{red}{-2}\\)<\/li>\n<li>\\(x=11\\color{red}{-2}\\)<\/li>\n<li>\\(x=9\\)<\/li>\n<\/ol>\n<p>\u3053\u306e\u3088\u3046\u306b\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u4e21\u8fba\u306b\u540c\u3058\u6570\u306e\u8db3\u3057\u7b97\u307e\u305f\u306f\u5f15\u304d\u7b97\u3092\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u7b54\u3048\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u6570\u5b66\u3067\u306f\u3001\u7d20\u65e9\u304f\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u5b9f\u969b\u3001\u8a66\u9a13\u554f\u984c\u3067\u306f\u5236\u9650\u6642\u9593\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u79fb\u9805\u3068\u3044\u3046\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5229\u7528\u3057\u307e\u3059\u3002<span style=\"color: #0000ff;\">\u79fb\u9805\u3068\u306f\u3001\u7b26\u5408\u3092\u5909\u3048\u3066\u5de6\u8fba\u304b\u3089\u53f3\u8fba\uff08\u307e\u305f\u306f\u53f3\u8fba\u304b\u3089\u5de6\u8fba\uff09\u3078\u6570\u5b57\u3092\u79fb\u52d5\u3055\u305b\u308b\u65b9\u6cd5\u3092\u6307\u3057\u307e\u3059\u3002<\/span><\/p>\n<p>\u5148\u307b\u3069\u306e\u8a08\u7b97\u3067\u3042\u308c\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b(b)\u306e\u5f0f\u3092\u7701\u7565\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2232\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse9.jpg\" alt=\"\" width=\"422\" height=\"339\" \/><\/p>\n<p>\u79fb\u9805\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u8a08\u7b97\u306e\u904e\u7a0b\u3092\u7701\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u8a08\u7b97\u30df\u30b9\u3082\u6e1b\u308a\u307e\u3059\u3002<span style=\"color: #ff0000;\">\u4ee3\u6570\u5f0f\u306e\u8a08\u7b97\u3067\u306f\u3001\u5168\u54e1\u304c\u79fb\u9805\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/span><\/p>\n<p>\u307e\u305f\u79fb\u9805\u306f\u6570\u5b57\u3060\u3051\u3067\u306a\u304f\u3001\u6587\u5b57\u3067\u3082\u6709\u52b9\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u6570\u5b57\u3084\u6587\u5b57\u3092\u79fb\u9805\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2234\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/eryse11.jpg\" alt=\"\" width=\"391\" height=\"222\" \/><\/p>\n<p>\u306a\u304a\u3001\u4e21\u8fba\u306b\u5bfe\u3057\u3066\u540c\u3058\u6570\u306e\u639b\u3051\u7b97\u3084\u5272\u308a\u7b97\u3092\u3057\u3066\u3082\u3044\u3044\u3067\u3059\u3002\u6574\u6570\u307e\u305f\u306f\u5206\u6570\u3092\u639b\u3051\u308b\u3053\u3068\u3067\u3001\\(x\\)\u306e\u5024\u3092\u51fa\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(3x=10\\)<\/p>\n<p>\\(3x\u00d7\\color{red}{\\displaystyle\\frac{1}{3}}=10\u00d7\\color{red}{\\displaystyle\\frac{1}{3}}\\)<\/p>\n<p>\\(x=\\displaystyle\\frac{10}{3}\\)<\/p>\n<p>\u5206\u304b\u3089\u306a\u3044\u6570\u5b57\uff08\\(x\\)\uff09\u306e\u7b54\u3048\u3092\u51fa\u3059\u305f\u3081\u306b\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6700\u5f8c\u306f\\(x=\u2610\\)\u306e\u5f62\u306b\u3059\u308b\u3053\u3068\u3067\u7b54\u3048\u3092\u51fa\u3059\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u306a\u304a\u3001\u639b\u3051\u7b97\u3068\u5272\u308a\u7b97\uff08\u5206\u6570\u306e\u639b\u3051\u7b97\uff09\u306b\u3064\u3044\u3066\u306f\u3001\u8db3\u3057\u7b97\u3084\u5f15\u304d\u7b97\u3068\u9055\u3063\u3066\u79fb\u9805\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u4e21\u8fba\u306b\u5bfe\u3057\u3066\u639b\u3051\u7b97\u3092\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u305e\u308c\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u5206\u914d\u6cd5\u5247\u3067\u304b\u3063\u3053\u3092\u5916\u3057\u3001\u6574\u6570\u306b\u76f4\u3057\u3066\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u306a\u304a\u3001\u6587\u5b57\u5f0f\uff08\u4ee3\u6570\u5f0f\uff09\u3067\u306f\u304b\u3063\u3053\u3092\u542b\u3080\u5f0f\u304c\u305f\u304f\u3055\u3093\u5b58\u5728\u3057\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u79fb\u9805\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u5206\u914d\u6cd5\u5247\u3092\u5229\u7528\u3057\u3001\u5148\u306b\u304b\u3063\u3053\u3092\u5916\u3059\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\\(3(x-2)=14\\)\u306f\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u306e\u5834\u5408\u3001\u304b\u3063\u3053\u3092\u5916\u3057\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(3(x-2)=14\\)\u00a0: \u5206\u914d\u6cd5\u5247<\/p>\n<p>\\(3x-6=14\\)\u00a0: \u79fb\u9805\u3055\u305b\u308b<\/p>\n<p>\\(3x=14\\color{red}{+6}\\)<\/p>\n<p>\\(3x\\color{red}{\u00d7\\displaystyle\\frac{1}{3}}=20\\color{red}{\u00d7\\displaystyle\\frac{1}{3}}\\)\u00a0: \u5206\u6570\u306e\u639b\u3051\u7b97\u3092\u3059\u308b<\/p>\n<p>\\(x=\\displaystyle\\frac{20}{3}\\)<\/p>\n<p>\u304b\u3063\u3053\u3092\u5916\u3059\u304b\u3089\u3053\u305d\u3001\u79fb\u9805\u306b\u3088\u3063\u3066\u8db3\u3057\u7b97\u3084\u5f15\u304d\u7b97\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<span style=\"color: #0000ff;\">\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u305f\u3081\u306b\u306f\u3001\u5206\u914d\u6cd5\u5247\u3092\u5229\u7528\u3057\u3066\u6700\u521d\u306b\u304b\u3063\u3053\u3092\u5916\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p><strong>\u30fb\u4e21\u8fba\u306e\u639b\u3051\u7b97\u306b\u3088\u3063\u3066\u5c0f\u6570\u3092\u6574\u6570\u306b\u76f4\u3059<\/strong><\/p>\n<p>\u307e\u305f\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u4e21\u8fba\u306b\u5bfe\u3057\u3066\u639b\u3051\u7b97\u3092\u3059\u308b\u3053\u3068\u3067\u3001\u8a08\u7b97\u3092\u7c21\u5358\u306b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5c0f\u6570\u3084\u5206\u6570\u304c\u5f0f\u306b\u542b\u307e\u308c\u308b\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u4e21\u8fba\u306e\u639b\u3051\u7b97\u3092\u3059\u308b\u3053\u3068\u304c\u983b\u7e41\u306b\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u5f0f\u306f\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<ul>\n<li>\\(0.04x-0.12=0.02x-0.2\\)<\/li>\n<\/ul>\n<p>\u5c0f\u6570\u306e\u307e\u307e\u8a08\u7b97\u3057\u3066\u3082\u3044\u3044\u3067\u3059\u304c\u3001\u9ad8\u78ba\u7387\u3067\u8a08\u7b97\u30df\u30b9\u304c\u8d77\u3053\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u6574\u6570\u306b\u76f4\u3059\u3053\u3068\u3067\u3001\u5f0f\u3092\u7c21\u5358\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u5148\u307b\u3069\u306e\u5f0f\u3067\u3042\u308c\u3070\u3001\u4e21\u8fba\u306b100\u3092\u639b\u3051\u307e\u3059\u3002<\/p>\n<p>\\(0.04x-0.12=0.02x-0.2\\)<\/p>\n<p>\\((0.04x-0.12)\\color{red}{\u00d7100}=(0.02x-0.2)\\color{red}{\u00d7100}\\)<\/p>\n<p>\\(4x-12=2x-20\\)<\/p>\n<p>\\(4x\\color{red}{-2x}=-20\\color{red}{+12}\\)<\/p>\n<p>\\(2x=-8\\)<\/p>\n<p>\\(x=-4\\)<\/p>\n<p>\u5c0f\u6570\u306e\u307e\u307e\u8a08\u7b97\u3059\u308b\u3088\u308a\u3082\u3001\u6574\u6570\u306b\u76f4\u3057\u305f\u307b\u3046\u304c\u8a08\u7b97\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u30fb\u5206\u6570\u306e\u5f0f\u3092\u6574\u6570\u306b\u76f4\u3059<\/strong><\/p>\n<p>\u6574\u6570\u306b\u76f4\u3057\u305f\u307b\u3046\u304c\u8a08\u7b97\u3057\u3084\u3059\u304f\u306a\u308b\u306e\u306f\u5206\u6570\u3082\u540c\u3058\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306f\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\\(\\displaystyle\\frac{2}{3}x-\\displaystyle\\frac{1}{4}=\\displaystyle\\frac{3}{8}x\\)<\/p>\n<p>\u5c0f\u6570\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u4e21\u8fba\u306e\u639b\u3051\u7b97\u3092\u3059\u308b\u3053\u3068\u3067\u6574\u6570\u306e\u5f0f\u306b\u76f4\u3057\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(\\displaystyle\\frac{2}{3}x-\\displaystyle\\frac{1}{4}=\\displaystyle\\frac{3}{8}x\\)<\/p>\n<p>\\(\\left(\\displaystyle\\frac{2}{3}x-\\displaystyle\\frac{1}{4}\\right)\\color{red}{\u00d724}=\\displaystyle\\frac{3}{8}x\\color{red}{\u00d724}\\)<\/p>\n<p>\\(16x-6=9x\\)<\/p>\n<p>\\(16x-9x=6\\)<\/p>\n<p>\\(7x=6\\)<\/p>\n<p>\\(x=\\displaystyle\\frac{6}{7}\\)<\/p>\n<p>\u5f0f\u3092\u5909\u63db\u3057\u306a\u3044\u5834\u5408\u3001\u8a08\u7b97\u304c\u96e3\u3057\u3044\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u4e21\u8fba\u306b\u639b\u3051\u7b97\u3092\u3057\u3066\u3082\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064\u6027\u8cea\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002\u4e21\u8fba\u306b\u6570\u5b57\u3092\u304b\u3051\u308b\u3053\u3068\u3067\u3001\u6574\u6570\u306e\u5f0f\u306b\u76f4\u3059\u306e\u3067\u3059\u3002<\/p>\n<h2>\u591a\u9805\u5f0f\u306e\u8a08\u7b97\u3068\u65b9\u7a0b\u5f0f\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>\u91cd\u8981\u306a\u306e\u306f\u3001\u591a\u9805\u5f0f\u306e\u8a08\u7b97\u554f\u984c\u3068\u65b9\u7a0b\u5f0f\u306f\u6027\u8cea\u304c\u7570\u306a\u308b\u4e8b\u5b9f\u3067\u3059\u3002\u591a\u9805\u5f0f\u306e\u8a08\u7b97\u554f\u984c\u3067\u306f\u7b49\u53f7\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\u65b9\u7a0b\u5f0f\u3067\u306f\u7b49\u53f7\u304c\u5b58\u5728\u3057\u3001\u5de6\u8fba\u3068\u53f3\u8fba\u304c\u30a4\u30b3\u30fc\u30eb\u3067\u3064\u306a\u304c\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span style=\"color: #0000ff;\">\u4e21\u8fba\u306b\u639b\u3051\u7b97\u3092\u3057\u3066\u3082\u554f\u984c\u306a\u3044\u306e\u306f\u3001\u65b9\u7a0b\u5f0f\u3060\u304b\u3089\u3067\u3059\u3002<\/span>\u65b9\u7a0b\u5f0f\u306b\u306f\u7b49\u53f7\u304c\u3042\u308b\u305f\u3081\u3001\u5148\u307b\u3069\u8aac\u660e\u3057\u305f5\u3064\u306e\u6027\u8cea\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u7b49\u53f7\u304c\u306a\u3044\u5834\u5408\u306f\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u8a08\u7b97\u3067\u306f\u524d\u8ff0\u306e\u901a\u308a\u3001\u4e21\u8fba\u306b100\u3092\u639b\u3051\u3066\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(0.04x-0.12=0.02x-0.2\\)<\/li>\n<\/ul>\n<p>\u7b49\u53f7\u304c\u3042\u308b\u305f\u3081\u3001\u4e21\u8fba\u306b\u540c\u3058\u6570\u306e\u8db3\u3057\u7b97\u3084\u5f15\u304d\u7b97\u3001\u639b\u3051\u7b97\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3067\u4ee5\u4e0b\u306e\u5f0f\u3067\u306f\u3001100\u3092\u304b\u3051\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li>\\(0.04x-0.02x-0.12+0.2\\)<\/li>\n<\/ul>\n<p><span style=\"color: #ff0000;\">\u5f0f\u306e\u4e2d\u306b\u7b49\u53f7\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u305d\u306e\u72b6\u614b\u306e\u307e\u307e\u8a08\u7b97\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/span><\/p>\n<p>\u4e00\u822c\u7684\u306a\u591a\u9805\u5f0f\u306e\u8a08\u7b97\u3067\u306f\u3001\u4e00\u3064\u306e\u5f0f\u3060\u3051\u5b58\u5728\u3057\u307e\u3059\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\u3001\u65b9\u7a0b\u5f0f\u3067\u306f\u7b49\u53f7\u304c\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u5de6\u8fba\u304a\u3088\u3073\u53f3\u8fba\u3068\u3044\u30462\u3064\u306e\u5f0f\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u8a08\u7b97\u65b9\u6cd5\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u3066\u3001\u8a08\u7b97\u30df\u30b9\u3092\u9632\u3050\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3067\u6587\u7ae0\u554f\u984c\u3092\u89e3\u304f\u3084\u308a\u65b9\u306e\u30b3\u30c4<\/h2>\n<p>\u306a\u304a\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u5b66\u3076\u3068\u304d\u3001\u91cd\u8981\u306a\u306e\u306f\u8a08\u7b97\u554f\u984c\u3092\u89e3\u3051\u308b\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u3042\u306a\u305f\u304c\u4f5c\u308a\u3001\u7b54\u3048\u3092\u51fa\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u6700\u3082\u91cd\u8981\u3067\u3059\u3002<span style=\"color: #0000ff;\">\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306f\u65e5\u5e38\u751f\u6d3b\u3067\u983b\u7e41\u306b\u5229\u7528\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002<\/span><\/p>\n<p>\u4f8b\u3048\u3070\u3001\u96fb\u6c17\u4ee3\u3084\u6c34\u9053\u4ee3\u306e\u8a08\u7b97\u3092\u3059\u308b\u305f\u3081\u306b\u306f\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u5229\u7528\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u307e\u305f\u30a8\u30a2\u30b3\u30f3\u3092\u7bc0\u7d04\u3059\u308b\u3053\u3068\u3067\u3001\u3069\u308c\u3060\u3051\u96fb\u6c17\u4ee3\u304c\u5b89\u304f\u306a\u3063\u305f\u306e\u304b\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u3001\u65b9\u7a0b\u5f0f\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u98db\u884c\u6a5f\u3084\u30d0\u30b9\u306b\u4e57\u308b\u3068\u304d\u3001\u4f55\u6642\u306b\u5bb6\u3092\u51fa\u767a\u3059\u308c\u3070\u3044\u3044\u306e\u304b\u77e5\u308a\u305f\u3044\u3068\u304d\u306b\u65b9\u7a0b\u5f0f\u3092\u5229\u7528\u3057\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002\u8a08\u7b97\u30df\u30b9\u3092\u3059\u308b\u3068\u3001\u3042\u306a\u305f\u306f\u98db\u884c\u6a5f\u3084\u30d0\u30b9\u306b\u4e57\u308a\u9045\u308c\u3066\u65c5\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2258\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/wth1.jpg\" alt=\"\" width=\"600\" height=\"400\" \/><\/p>\n<p>\u4e2d\u5b66\u751f\u3084\u9ad8\u6821\u751f\u3067\u3042\u308c\u3070\u3001\u3053\u308c\u3089\u306e\u8a08\u7b97\u3092\u3059\u3079\u3066\u89aa\u304c\u3057\u307e\u3059\u3002\u305f\u3060\u3001\u5927\u4eba\u3067\u3042\u308c\u3070\u3059\u3079\u3066\u81ea\u5206\u3067\u8a08\u7b97\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306f\u3042\u3089\u3086\u308b\u5834\u9762\u3067\u5229\u7528\u3055\u308c\u308b\u306e\u3067\u3059\u3002\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u6587\u7ae0\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u3068\u3001\u5927\u4eba\u3068\u3057\u3066\u751f\u6d3b\u3059\u308b\u3068\u304d\u306b\u56f0\u3089\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u30fb\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u304d\u65b9<\/strong><\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u6587\u5b57\u5f0f\uff08\u4ee3\u6570\u5f0f\uff09\u3067\u306f\u3001\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3092\u5229\u7528\u3057\u3066\u5f0f\u306e\u8a08\u7b97\u3092\u3057\u307e\u3059\u3002<span style=\"color: #0000ff;\">\u4ee3\u6570\u5f0f\u3067\u983b\u7e41\u306b\u5229\u7528\u3059\u308b\\(x\\)\u3068\u306f\u3001\u300c\u5206\u304b\u3089\u306a\u3044\u6570\u5b57\u300d\u3092\u6307\u3057\u307e\u3059\u3002<\/span>\u6570\u5b66\u3067\u5206\u304b\u3089\u306a\u3044\u6570\u5b57\u3068\u306f\u3001\u3042\u306a\u305f\u304c\u6c42\u3081\u305f\u3044\u6570\u5b57\u3068\u3082\u3044\u3048\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u4f55\u500b\u306e\u30da\u30f3\u3092\u8cb7\u3048\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u5834\u5408\u3001\u8cfc\u5165\u3059\u308b\u30da\u30f3\u306e\u6570\u3092\\(x\\)\u306b\u3057\u307e\u3059\u3002\u4f55km\u6b69\u3051\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u5834\u5408\u3001\u6b69\u304f\u8ddd\u96e2\u3092\\(x\\)km\u306b\u3057\u307e\u3059\u3002<span style=\"color: #ff0000;\">\u3059\u3079\u3066\u306e\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u5206\u304b\u3089\u306a\u3044\u6570\u3092\\(x\\)\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p>\u305d\u306e\u5f8c\u3001\u65b9\u7a0b\u5f0f\u3092\u4f5c\u3063\u3066\u554f\u984c\u3092\u89e3\u304d\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u7b54\u3048\u3092\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u540c\u3058\u3082\u306e\u30922\u901a\u308a\u306e\u65b9\u6cd5\u3067\u8868\u3057\u3001\u5f0f\u3092\u4f5c\u308b<\/h3>\n<p>\u6587\u7ae0\u554f\u984c\u3092\u89e3\u304f\u3068\u304d\u3001\u6b63\u3057\u3044\u3084\u308a\u65b9\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u30012\u3064\u306e\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u3067\u3059\u3002\u7b49\u53f7\u304c\u3042\u308b\u305f\u3081\u3001\u610f\u5473\u304c\u540c\u3058\u3082\u306e\u3092\u7b49\u53f7\u3067\u304f\u3063\u3064\u3051\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u6587\u7ae0\u984c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<ul>\n<li>1\u500b200\u5186\u306e\u30da\u30f3\u3092\u4f55\u500b\u8cb7\u3048\u3070\u30011200\u5186\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b<\/li>\n<\/ul>\n<p>\u5c0f\u5b66\u6821\u306e\u7b97\u6570\u306a\u3069\u3001\u4ee3\u6570\u5f0f\u3092\u5b66\u3076\u524d\u3067\u3042\u308c\u3070\u3001\\(1200\u00f7200=6\\)\u3068\u306a\u308a\u3001\u7b54\u3048\u306f6\u672c\u3068\u5206\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u4ee3\u6570\u5f0f\u3067\u8868\u3059\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><span style=\"color: #0000ff;\">\u5206\u304b\u3089\u306a\u3044\u6570\u3092\\(x\\)\u306b\u3057\u307e\u3059\u3002<\/span>\u4eca\u56de\u306e\u554f\u984c\u3067\u306f\u3001\u30da\u30f3\u3092\u4f55\u500b\u8cb7\u3048\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001\u8cfc\u5165\u3059\u308b\u30da\u30f3\u306e\u6570\u3092\\(x\\)\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u3046\u306a\u308b\u3068\u30011\u500b200\u5186\u306e\u30da\u30f3\u3092\\(x\\)\u500b\u8cb7\u3063\u305f\u7d50\u679c\u3001\u30a4\u30b3\u30fc\u30eb\u3068\u3057\u30661200\u5186\u306e\u652f\u6255\u3044\u3092\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(200\\)\u5186\\(\u00d7x\\)\u500b\\(\uff1d1200\\)\u5186<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b\u6c42\u3081\u305f\u3044\u3082\u306e\u3092\\(x\\)\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u5f0f\u3092\u4f5c\u308a\u307e\u3059\u30021\u500b200\u5186\u306e\u30da\u30f3\u3092\\(x\\)\u500b\u8cb7\u3063\u305f\u3068\u304d\u306e\u91d1\u984d\u3068\u3001\u652f\u6255\u3063\u305f\u304a\u91d1\u306e\u7dcf\u984d\uff081200\u5186\uff09\u306f\u30a4\u30b3\u30fc\u30eb\u3067\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u305d\u3053\u3067<span style=\"color: #0000ff;\">2\u3064\u306e\u5f0f\u3092\u7b49\u53f7\u3067\u7d50\u3073\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>\u975e\u5e38\u306b\u7c21\u5358\u306a\u5f0f\u3092\u5229\u7528\u3057\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001\u65b9\u7a0b\u5f0f\u306e\u6587\u7ae0\u984c\u3067\u306f\u4ee5\u4e0b\u3092\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u5206\u304b\u3089\u306a\u3044\u6570\u3092\\(x\\)\u306b\u3059\u308b<\/li>\n<li>\u610f\u5473\u306e\u540c\u3058\u5f0f\u30922\u3064\u4f5c\u308a\u3001\u7b49\u53f7\u3067\u3064\u306a\u3050<\/li>\n<\/ul>\n<p>\u3053\u306e\u4f5c\u696d\u3092\u3059\u308b\u3053\u3068\u3067\u3001\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u65b9\u7a0b\u5f0f\u306e\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u3067\u7b54\u3048\u3092\u5c0e\u304d\u51fa\u3059\u3060\u3051\u3067\u3059\u3002<\/p>\n<h2>\u7df4\u7fd2\u554f\u984c\uff1a\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u4f7f\u3044\u3001\u6587\u7ae0\u984c\u3092\u89e3\u304f<\/h2>\n<p><strong>Q1.<\/strong> \u6b21\u306e\u8a08\u7b97\u3092\u3057\u307e\u3057\u3087\u3046<\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>\\(5(3x-3)+2=6x+3\\)<\/li>\n<li>\\(\\displaystyle\\frac{5x+2}{4}=\\displaystyle\\frac{-3x-3}{6}\\)<\/li>\n<li>\\(4-\\displaystyle\\frac{2x+3}{5}=0.4x\\)<\/li>\n<\/ol>\n<p><strong>A1.<\/strong> \u89e3\u7b54<\/p>\n<p>\u65b9\u7a0b\u5f0f\u3067\u306f\u79fb\u9805\u3092\u3057\u3066\u554f\u984c\u3092\u89e3\u304d\u307e\u3059\u3002\u305f\u3060\u3001\u304b\u3063\u3053\u304c\u3042\u308b\u5834\u5408\u306f\u304b\u3063\u3053\u3092\u5916\u3055\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u307e\u305f\u5c0f\u6570\u3084\u5206\u6570\u304c\u3042\u308b\u5834\u5408\u3001\u4e21\u8fba\u306b\u5bfe\u3057\u3066\u639b\u3051\u7b97\u3092\u3059\u308b\u3053\u3068\u3067\u5f0f\u3092\u7c21\u5358\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>(a)<\/strong><\/p>\n<p>\\(5(3x-3)+2=6x+3\\)<\/p>\n<p>\\(15x-15+2=6x+3\\)<\/p>\n<p>\\(15x-6x=3+15-2\\)<\/p>\n<p>\\(9x=16\\)<\/p>\n<p>\\(x=\\displaystyle\\frac{16}{9}\\)<\/p>\n<p><strong>(b)<\/strong><\/p>\n<p>\\(\\displaystyle\\frac{5x+2}{4}=\\displaystyle\\frac{-3x-3}{6}\\)<\/p>\n<p>\\(\\displaystyle\\frac{5x+2}{4}\\color{red}{\u00d712}=\\displaystyle\\frac{-3x-3}{6}\\color{red}{\u00d712}\\)<\/p>\n<p>\\(3(5x+2)=2(-3x-3)\\)<\/p>\n<p>\\(15x+6=-6x-6\\)<\/p>\n<p>\\(15x+6x=-6-6\\)<\/p>\n<p>\\(21x=-12\\)<\/p>\n<p>\\(x=-\\displaystyle\\frac{12}{21}\\)<\/p>\n<p>\\(x=-\\displaystyle\\frac{4}{7}\\)<\/p>\n<p><strong>(c)<\/strong><\/p>\n<p>\u5c0f\u6570\u3068\u5206\u6570\u306e\u4e21\u65b9\u304c\u5f0f\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u4e21\u65b9\u304c\u6574\u6570\u306b\u306a\u308b\u6570\u3092\u4e21\u8fba\u306b\u639b\u3051\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(4-\\displaystyle\\frac{2x+3}{5}=0.4x\\)<\/p>\n<p>\\(\\left(4-\\displaystyle\\frac{2x+5}{5}\\right)\\color{red}{\u00d75}=0.4x\\color{red}{\u00d75}\\)<\/p>\n<p>\\(4\u00d75-\\displaystyle\\frac{2x+3}{5}\u00d75=0.4x\u00d75\\)<\/p>\n<p>\\(20-(2x+3)=2x\\)<\/p>\n<p>\\(20-2x-3=2x\\)<\/p>\n<p>\\(-2x-2x=-20+3\\)<\/p>\n<p>\\(-4x=-17\\)<\/p>\n<p>\\(x=\\displaystyle\\frac{17}{4}\\)<\/p>\n<hr \/>\n<p><strong>Q2.<\/strong> \u6b21\u306e\u554f\u984c\u3092\u89e3\u304d\u307e\u3057\u3087\u3046<\/p>\n<p>\u73fe\u5728\u3001\u7236\u89aa\u306e\u5e74\u9f62\u306f44\u6b73\u3067\u3042\u308a\u3001\u5b50\u4f9b\u306e\u5e74\u9f62\u306f14\u6b73\u3067\u3059\u3002\u7236\u89aa\u306e\u5e74\u9f62\u304c\u5b50\u4f9b\u306e2\u500d\u306b\u306a\u308b\u306e\u306f\u4f55\u5e74\u5f8c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><strong>A2.<\/strong> \u89e3\u7b54<\/p>\n<p>\u6587\u7ae0\u984c\u3067\u306f\u5206\u304b\u3089\u306a\u3044\u6570\u3092\\(x\\)\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u6587\u7ae0\u984c\u3067\u306f\u3001\u4f55\u5e74\u5f8c\u306b\u7236\u89aa\u306e\u5e74\u9f62\u304c\u5b50\u4f9b\u306e\u5e74\u9f62\u306e2\u500d\u306b\u306a\u308b\u306e\u304b\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001<span style=\"color: #ff0000;\">\u7d4c\u904e\u5e74\u6570\u3092\\(x\\)\u306b\u3057\u307e\u3059\u3002<\/span><\/p>\n<p>\\(x\\)\u5e74\u304c\u7d4c\u904e\u3057\u305f\u5f8c\u3001\u7236\u89aa\u306e\u5e74\u9f62\u306f\\(44+x\\)\u6b73\u3067\u3059\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\u3001\u5b50\u4f9b\u306e\u5e74\u9f62\u306f\\(14+x\\)\u6b73\u3067\u3059\u3002\u307e\u305f\\(14+x\\)\u6b73\u30922\u500d\u3059\u308b\u3053\u3068\u3067\u3001\u7236\u89aa\u306e\u5e74\u9f62\u3068\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u5f0f\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(44+x=(14+x)\u00d72\\)<\/li>\n<\/ul>\n<p>\u305d\u3053\u3067\u3001\u3053\u306e\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u3053\u3068\u3067\u6b63\u89e3\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(44+x=2(14+x)\\)<\/p>\n<p>\\(44+x=28+2x\\)<\/p>\n<p>\\(x-2x=28-44\\)<\/p>\n<p>\\(-x=-16\\)<\/p>\n<p>\\(x=16\\)<\/p>\n<p><strong>\u30fb\u89e3\u7b54\u306e\u898b\u76f4\u3057<\/strong><\/p>\n<p>\u306a\u304a\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u6587\u7ae0\u984c\u3067\u306f\u3001\u51fa\u3057\u305f\u7b54\u3048\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u6b63\u89e3\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<span style=\"color: #0000ff;\">\u51fa\u3057\u305f\u7b54\u3048\u304c\u672c\u5f53\u306b\u6b63\u89e3\u304b\u3069\u3046\u304b\u3001\u898b\u76f4\u3057\u3059\u308b\u306e\u304c\u554f\u984c\u3092\u89e3\u304f\u30b3\u30c4\u3067\u3059\u3002<\/span><\/p>\n<p>\u4eca\u56de\u306e\u8a08\u7b97\u3067\u306f\\(x=16\\)\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u5b9f\u969b\u306e\u6570\u5b57\u3092\u5f53\u3066\u306f\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u300216\u5e74\u5f8c\u3067\u306f\u3001\u7236\u89aa\u306e\u5e74\u9f62\u306f\\(44+16=60\\)\u6b73\u3067\u3059\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\u3001\u5b50\u4f9b\u306e\u5e74\u9f62\u306f\\(14+16=30\\)\u6b73\u3067\u3059\u300230\u30922\u500d\u3059\u308b\u306860\u306a\u306e\u3067\u3001\\(x=16\\)\u304c\u6b63\u89e3\u3060\u3068\u81ea\u4fe1\u3092\u3082\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u65b9\u7a0b\u5f0f\u306e\u6587\u7ae0\u984c\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u898b\u76f4\u3057\u3092\u3059\u308b\u3053\u3068\u3067\u8a08\u7b97\u30df\u30b9\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr \/>\n<p><strong>Q3.<\/strong> \u6b21\u306e\u554f\u984c\u3092\u89e3\u304d\u307e\u3057\u3087\u3046<\/p>\n<p>1\u500b500\u5186\u306e\u5546\u54c1\u3092\u4ed5\u5165\u308c\u3001800\u5186\u3067\u58f2\u308b\u3053\u3068\u3092\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3001\u4ed5\u5165\u308c\u305f\u5546\u54c1\u306e10%\u306f\u4e0d\u826f\u54c1\u3067\u3042\u308a\u3001\u8868\u9762\u306b\u50b7\u304c\u3042\u3063\u3066\u898b\u305f\u76ee\u304c\u60aa\u3044\u305f\u3081\u3001600\u5186\u3067\u58f2\u308a\u307e\u3059\u3002\u5229\u76ca14000\u5186\u3092\u5f97\u308b\u305f\u3081\u306b\u306f\u3001\u4f55\u500b\u306e\u5546\u54c1\u3092\u4ed5\u5165\u308c\u3066\u58f2\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><strong>A3.<\/strong> \u89e3\u7b54<\/p>\n<p>\u3053\u306e\u6587\u7ae0\u984c\u3067\u306f\u3001\u4f55\u500b\u306e\u5546\u54c1\u3092\u4ed5\u5165\u308c\u3066\u58f2\u308c\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001\u4ed5\u5165\u308c\u308b\u5546\u54c1\u306e\u6570\u3092\\(x\\)\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u91cd\u8981\u306a\u306e\u306f\u3001\u6b63\u898f\u54c1\u306e\u6570\u306f\\(x\\)\u500b\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u4e8b\u5b9f\u3067\u3059\u3002\u50b7\u306e\u3042\u308b\u4e0d\u826f\u54c1\u3082\u6df7\u3058\u3063\u3066\u3044\u307e\u3059\u3002\\(x\\)\u500b\u3092\u4ed5\u5165\u308c\u308b\u3068\u304d\u3001\u4e0d\u826f\u54c1\u306e\u6570\u306f\\(0.1x\\)\u500b\u3067\u3059\u3002<span style=\"color: #0000ff;\">\u4ed5\u5165\u308c\u305f\u5546\u54c1\u304b\u3089\u4e0d\u826f\u54c1\u306e\u6570\u3092\u5f15\u304f\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u6b63\u898f\u54c1\u306e\u6570\u306f\\((x-0.1x)\\)\u500b\u3067\u3059\u3002<\/span><\/p>\n<p>\u307e\u305f\u6b63\u898f\u54c1\u3092\u58f2\u308b\u5834\u5408\u30011\u500b\u3092\u58f2\u308b\u3068\u5229\u76ca\u306f\\(800-500=300\\)\u5186\u3067\u3059\u3002\u4e00\u65b9\u3067\u50b7\u306e\u3042\u308b\u4e0d\u826f\u54c1\u30921\u500b\u58f2\u308b\u3068\u3001\u5229\u76ca\u306f\\(600-500=100\\)\u5186\u3067\u3059\u3002\u3053\u308c\u3089\u3092\u3059\u3079\u3066\u8ca9\u58f2\u3057\u305f\u7d50\u679c\u3001\u5229\u76ca\u304c14000\u5186\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u65b9\u7a0b\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2279\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/wth10.jpg\" alt=\"\" width=\"600\" height=\"196\" \/><\/p>\n<p>\\(300x\u00d70.9x+100\u00d70.1x=14000\\)<\/p>\n<p>\\(270x+10x=14000\\)<\/p>\n<p>\\(280x=14000\\)<\/p>\n<p>\\(x=\\displaystyle\\frac{14000}{280}\\)<\/p>\n<p>\\(x=50\\)<\/p>\n<p><strong>\u30fb\u89e3\u7b54\u306e\u898b\u76f4\u3057<\/strong><\/p>\n<p>\u540c\u3058\u3088\u3046\u306b\u3001\u6587\u7ae0\u984c\u3067\u306f\u7b54\u3048\u3092\u5f53\u3066\u306f\u3081\u3066\u5fc5\u305a\u898b\u76f4\u3057\u3092\u3057\u307e\u3057\u3087\u3046\u300250\u500b\u306e\u88fd\u54c1\u3092\u4ed5\u5165\u308c\u305f\u5834\u5408\u3001\u4e0d\u826f\u54c1\u306e\u6570\u306f\\(50\u00d70.1=5\\)\u500b\u3067\u3059\u3002\u4e00\u65b9\u3067\u6b63\u898f\u54c1\u306e\u6570\u306f\\(50-5=45\\)\u500b\u3067\u3059\u3002<\/p>\n<p>\u65e2\u306b\u8a18\u3057\u305f\u901a\u308a\u3001\u6b63\u898f\u54c1\u30921\u3064\u58f2\u308b\u3068\u5229\u76ca\u306f300\u5186\u3067\u3059\u3002\u4e0d\u826f\u54c1\u30921\u3064\u58f2\u308b\u3068\u3001\u5229\u76ca\u306f100\u5186\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u8a08\u7b97\u306b\u3088\u3063\u3066\u5229\u76ca\u984d\u3092\u51fa\u305b\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(300\u00d745+100\u00d75\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u3068\u300114000\u5186\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u6b63\u3057\u304f\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u3066\u304a\u308a\u3001\u7b54\u3048\u3092\u51fa\u305b\u3066\u3044\u308b\u3068\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<p><strong>Q4.<\/strong> \u6b21\u306e\u554f\u984c\u3092\u89e3\u304d\u307e\u3057\u3087\u3046<\/p>\n<p>14%\u306e\u98df\u5869\u6c34\u304c200g\u3042\u308a\u307e\u3059\u3002\u98df\u5869\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u300120%\u306e\u98df\u5869\u6c34\u306b\u3057\u305f\u3044\u3067\u3059\u3002\u4f55g\u306e\u98df\u5869\u3092\u52a0\u3048\u308c\u3070\u3044\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><strong>A4.<\/strong> \u89e3\u7b54<\/p>\n<p>\u98df\u5869\u306e\u554f\u984c\u3067\u91cd\u8981\u306a\u306e\u306f\u3001<span style=\"color: #ff0000;\">\u98df\u5869\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u98df\u5869\u6c34\u306e\u30b0\u30e9\u30e0\u6570\u304c\u5897\u52a0\u3059\u308b\u4e8b\u5b9f\u3067\u3059\u3002<\/span>\u305d\u306e\u305f\u3081\u98df\u5869\u3092\u52a0\u3048\u308b\u554f\u984c\u3067\u306f\u3001\u98df\u5869\u81ea\u4f53\u306e\u91cd\u3055\u3082\u8003\u616e\u3057\u3066\u65b9\u7a0b\u5f0f\u3092\u4f5c\u3089\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u3067\u5206\u304b\u3089\u306a\u3044\u6570\u306f\u300c\u4f55g\u306e\u98df\u5869\u3092\u52a0\u3048\u308c\u3070\u3044\u3044\u306e\u304b\u300d\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u52a0\u3048\u308b\u98df\u5869\u306e\u91cf\u3092\\(x\\)g\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>14%\u306e\u98df\u5869\u6c34200g\u306b\u306f\u3001\\(200\u00d70.14=28\\)g\u306e\u98df\u5869\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u306b\\(x\\)g\u306e\u98df\u5869\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u300120%\u306e\u98df\u5869\u6c34\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u306720%\u306e\u98df\u5869\u6c34\u306b\u306f\u3001\u4f55g\u306e\u98df\u5869\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002200g\u306e\u98df\u5869\u6c34\u306b\u5bfe\u3057\u3066\u3001\\(x\\)g\u3092\u52a0\u3048\u308b\u305f\u3081\u3001\u98df\u5869\u3092\u52a0\u3048\u305f\u5f8c\u306e\u91cd\u3055\u306f\\((200+x)\\)g\u3068\u306a\u308a\u307e\u3059\u3002\u98df\u5869\u6c34\u306e\u6fc3\u5ea6\u306f20%\u306a\u306e\u3067\u3001\\((200+x)\u00d70.2\\)\u306e\u5f0f\u306b\u3088\u3063\u3066\u300120%\u98df\u5869\u6c34\u306b\u542b\u307e\u308c\u308b\u98df\u5869\u91cf\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001<span style=\"color: #0000ff;\">2\u3064\u306e\u7570\u306a\u308b\u5f0f\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span>\u4e21\u65b9\u306e\u5f0f\u3068\u3082\u300120%\u306e\u98df\u5869\u6c34\u306b\u542b\u307e\u308c\u308b\u98df\u5869\u306e\u91cf\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2277\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2020\/11\/wth8-1.jpg\" alt=\"\" width=\"600\" height=\"210\" \/><\/p>\n<p>\u3053\u306e\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(200\u00d70.14+x=(200+x)\u00d70.2\\)<\/p>\n<p>\\(28+x=40+0.2x\\)<\/p>\n<p>\\(x-0.2x=40-28\\)<\/p>\n<p>\\(0.8x=12\\)<\/p>\n<p>\\(0.8x\u00d7\\displaystyle\\frac{5}{4}=12\u00d7\\displaystyle\\frac{5}{4}\\)<\/p>\n<p>\\(x=15\\)<\/p>\n<p><strong>\u30fb\u89e3\u7b54\u306e\u898b\u76f4\u3057<\/strong><\/p>\n<p>\u65b9\u7a0b\u5f0f\u3067\u7b54\u3048\u3092\u51fa\u3057\u305f\u5f8c\u3001\u898b\u76f4\u3057\u3092\u3057\u307e\u3057\u3087\u3046\u3002\u3084\u308a\u65b9\u3068\u3057\u3066\u306f\u3001\u5148\u307b\u3069\u3068\u306f\u7570\u306a\u308b\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308a\u307e\u3059\u300214%\u306e\u98df\u5869\u6c34200g\u306b\u306f\u3001\\(200\u00d70.14=28\\)g\u306e\u98df\u5869\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u308115g\u306e\u98df\u5869\u3092\u52a0\u3048\u308b\u3068\u3001\\(28+15=43\\)g\u306e\u98df\u5869\u91cf\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>20%\u306e\u6fc3\u5ea6\u306e\u98df\u5869\u6c34\u306b43g\u306e\u98df\u5869\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u5168\u4f53\u306e\u98df\u5869\u6c34\u306f\u4f55g\u3067\u3057\u3087\u3046\u304b\u3002\u98df\u5869\u6c34\u306e\u91cd\u3055\u3092\\(y\\)g\u3068\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(y\u00d70.2=43\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(y\u00d70.2=43\\)<\/p>\n<p>\\(y\u00d70.2\\color{red}{\u00d75}=43\\color{red}{\u00d75}\\)<\/p>\n<p>\\(y=215\\)<\/p>\n<p>14%\u306e\u98df\u5869\u6c34\u306f200g\u3067\u3042\u308a\u3001\u3053\u308c\u306b15g\u306e\u98df\u5869\u3092\u52a0\u3048\u308b\u3068215g\u306b\u306a\u308a\u307e\u3059\u3002\\(y=215\\)\u3068\u6570\u5b57\u304c\u5408\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6b63\u3057\u304f\u65b9\u7a0b\u5f0f\u3092\u4f5c\u3063\u3066\u8a08\u7b97\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3067\u554f\u984c\u3092\u89e3\u3051\u308b\u306e\u306f\u91cd\u8981<\/h2>\n<p>\u306a\u305c\u3001\u6570\u5b66\u3067\u4ee3\u6570\u5f0f\u3092\u5b66\u3076\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b\u3068\u3044\u3046\u3068\u3001\u305d\u308c\u306f\u65b9\u7a0b\u5f0f\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u305f\u3081\u3067\u3059\u3002\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306f\u65e5\u5e38\u751f\u6d3b\u306e\u3042\u3089\u3086\u308b\u5834\u9762\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u3001\u5927\u4eba\u3068\u3057\u3066\u751f\u6d3b\u3059\u308b\u3068\u304d\u306b\u8a08\u7b97\u3067\u304d\u305a\u3001\u6b63\u3057\u3044\u6570\u5b57\u3092\u51fa\u305b\u306a\u3044\u305f\u3081\u306b\u56f0\u308b\u3053\u3068\u304c\u591a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u7b49\u53f7\u306e\u6027\u8cea\u3092\u7406\u89e3\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u7b49\u53f7\u306b\u306f5\u3064\u306e\u6027\u8cea\u304c\u3042\u308a\u3001\u6570\u5b66\u306e\u8a08\u7b97\u3067\u306f\u3059\u3079\u3066\u306e\u4eba\u304c\u3053\u306e\u6027\u8cea\u3092\u5229\u7528\u3057\u3066\u7b54\u3048\u3092\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u6587\u7ae0\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u6587\u7ae0\u984c\u3092\u89e3\u3051\u308b\u304b\u3089\u3053\u305d\u3001\u79c1\u305f\u3061\u306e\u65e5\u5e38\u751f\u6d3b\u306b\u6570\u5b66\u3092\u5fdc\u7528\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<span style=\"color: #0000ff;\">\u5206\u304b\u3089\u306a\u3044\u6570\u5b57\u3092\\(x\\)\u306b\u3057\u3066\u30012\u3064\u306e\u5f0f\u3092\u4f5c\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p>\u306a\u304a\u3001\u4e00\u6b21\u65b9\u7a0b\u5f0f\u306e\u6587\u7ae0\u984c\u306f\u3053\u3053\u307e\u3067\u8aac\u660e\u3057\u305f\u901a\u308a\u3001\u898b\u76f4\u3057\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u898b\u76f4\u3057\u306b\u3088\u3063\u3066\u8a08\u7b97\u30df\u30b9\u306b\u6c17\u4ed8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u7b54\u3048\u304c\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u898b\u76f4\u3057\u3059\u308b\u304f\u305b\u3092\u4ed8\u3051\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u3089\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u3068\u304d\u306e\u6ce8\u610f\u70b9\u3084\u30b3\u30c4\u3092\u7406\u89e3\u3059\u308b\u3068\u3001\u6570\u5b66\u3067\u306e\u8a08\u7b97\u30df\u30b9\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u5b66\u306e\u8a08\u7b97\u3067\u306f\u3001\u6570\u5b57\u3067\u306f\u306a\u304f\u6587\u5b57\u3092\u4f7f\u3046\u3053\u3068\u304c\u983b\u7e41\u306b\u3042\u308a\u307e\u3059\u3002\u6587\u5b57\u5f0f\uff08\u4ee3\u6570\u5f0f\uff09\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7c21\u5358\u306b\u8a08\u7b97\u554f\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u3067\u3059\u3002 \u4ee3\u6570\u5f0f\u3067\u6700\u3082\u91cd\u8981\u306a\u5206\u91ce\u306e\u4e00\u3064\u304c\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3067\u3059\u3002\u65e5\u5e38\u751f\u6d3b\u306e\u8a08\u7b97\u3067\u3082\u983b\u7e41\u306b\u5229\u7528\u3055\u308c\u308b\u306e\u304c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2285,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-2215","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-j-math"},"_links":{"self":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/2215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/comments?post=2215"}],"version-history":[{"count":15,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/2215\/revisions"}],"predecessor-version":[{"id":8245,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/2215\/revisions\/8245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media\/2285"}],"wp:attachment":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media?parent=2215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/categories?post=2215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/tags?post=2215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}