Предмет: Математика, автор: 02ben210

3x-4(8+2)-7+10x=2x+3(6x+7)

Аноним: Какое задание?

Ответы

Автор ответа: malenkayamasha
0

Пошаговое объяснение:

3х-32-8-7+10х=2х+18х+21;

13х-20х=21+40+7

-7х=68

-х=68/7

x = - 9 \frac{5}{7}

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