Предмет: Математика, автор: ggdyadya0

Найдите значение выражения 7x+|-10+2x| при x=-4 НУЖНО ОЧЕНЬ СРОЧНО​

Ответы

Автор ответа: elvira19850129
8

Ответ:

7*(-4)+(-10+2*(-4))

-28+18=-10

Пошаговое объяснение:


ggdyadya0: ровно минус 10?
elvira19850129: ДАААА!!!!
Автор ответа: belvarya
2

Ответ:

-10

Пошаговое объяснение:

Если х = -4, то 7х+|-10+2х|= 7*(-4)+|-10+2*(-4)|= -28+|-18|= -28+18=-10

Почему убрался минус: модуль не может быть отрицательным числом, поэтому остаётся 18.

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