Предмет: Алгебра, автор: НастюшкаЛ

3(x+2)=4+2x

5(x+1)-4x=4

Ответы

Автор ответа: Arseni

0

3(х+2)=4+2х

3х+6=4+2х

3х-х=4-6

х=-2

5(х+1)-4х=4

5х+5-4х=4

х=4-5

х=-1

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