Автор - nikitazelenkin

8x+3(7-2x)=x+3 помогите решить​

Ответ

Автор - gulerismaylova

8x + 3(7 - 2x) = x + 3 \ 8x + 21 - 6x = x + 3 \ 8x - 6x - x = 3 - 21 \ x =  - 18

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