Предмет: Математика, автор: Pas1112Z201P

Под номером (2) помогите решить

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Ответы

Автор ответа: juvia1Loxar

0

Ответ:

15

Пошаговое объяснение:

- 15 - 3х = - 7х + 45

7х - 3х = 45 + 15

4х = 60

х = 60 / 4

х = 15

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