Mathematics
Senior High
(4)の問題の別解でｘ＝３ｋ−３と
ｙ＝５ｋ−３になりますか?
解答はｘ＝５ｋ＋７とｙ＝３ｋ＋３です。一応確かめてほしいです🙇
283 次の方程式の整数解をすべて求めよ。
*1) 5x+8y=1
(2) 7x-2y=1
*4) 3x-5y=6
(3) 11x+9y=4
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