Предмет: Математика, автор: zinana05

7(123+4x)= 749 РЕБЯТА СРОЧНО ПОМОГИТЕ РЕШИТЬ УРАВНЕНИЕ, ПОЖАЛУЙСТА

Ответы

Автор ответа: pelmeshka531
0

Ответ:-4

Пошаговое объяснение:

861+28x=749

28x=749-861

28x=-112

X=-4

Автор ответа: marinaq2005
0

Ответ:

-4

Пошаговое объяснение:

сначала 7 умножаем на 123 и на 4х,после умножения получается:861+28х=749

Х оставляем справа,861 переносим.

28х=749-861

28х=-112

х=-112:28

х=-4

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