Mathematics
Senior High
数学IAの問題です。
解き方を教えてください。
回答は、
(1)x=7k-2,y=10k-3
(2)x=3k+2,y=-5k-2です
よろしくお願いします。
9. 次の方程式の整数解をすべて求めよ。
(1) 10x-7y=1
(2) 5x+3y=4
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