Автор - AndreWillasBoas

Решите уравнения:
3(5x-7)=5(3x+4)
2(9x+3)=3(1+6x)

Ответ

Автор - ramilya552
1)15х-21=15х+4
15х-15х=4+21
0=25
0
2)18х+6=3+18х
18х-18х=3-6
0=-3
0

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