Автор - dashanmashan

Помогите решить уравнение!!!!
-2(3x+2)=-7-(3x-1)

Ответ

Автор - alesyaperova

Ответ:

 - 6x - 4 = 7 - 3x + 1 \  - 6x - 4 - 7 + 3x - 1 = 0 \  - 3x - 12 = 0 \  - 3x = 12

x = 12 div ( - 3) =  - 4

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