Предмет: Математика, автор: jimin4861

Решите уравнение: 2(x - 2) = 12 - (x + 7)

Ответы

Автор ответа: d3nkotik

0

2(x - 2) = 12 - (x + 7)

2х-4=12-х-7

2х+х=12-7+4

3х=9

х=3

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