Автор - assassinsya

Решите уравнение: 10-7х=3-2(5х+1)

Ответ

Автор - Гномичек
10-7х=3-2(5х+1)
-7х+10=3-10х-2
-7х=3-10х-2-10
-7х+10х=3-2-10
3х=-9
х=-3

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