Предмет: Математика, автор: sanek24r

Решите пожалуйста уровнение 9(x+7)=-x

Ответы

Автор ответа: sufferKsanetti

1

Ответ:

9*(x+7)= -x

9x+63=-x

9x+x=-63

10x=-63

x=-6.3

Ответ: x = -6,3

Пошаговое объяснение:

Автор ответа: 4399

0

9(x+7)=-x

9x+63=-x

9x+x=-63

10x=-63

x=-63:10

x=-6,3

Ответ:-6,3 .

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