Mathematics
Junior High
Resolved

どうやって求めれば良いのか式をたてて頂きたいです!

46+60=26 □(3) 次の2組の連立方程式が同じ解をもつときa,bの値を求めなさい。 |ax-y=9 |2x-y=7 5x+2y=4 0 x+by=14

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