Предмет: Математика, автор: nikniknki

3(2х-7)=9 пажалуста помогите

Ответы

Автор ответа: tatsach

0

Ответ:

Пошаговое объяснение:

2х-7=9:3

2х-7=3

2х=3+7

2х=10

Х=10:2

Х=5

Автор ответа: xi0ri

0

Ответ:

х=5

Пошаговое объяснение:

3(2x-7)=9

6x-21=9

6x=30

x=5

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