Предмет: Алгебра, автор: aleksandra2291

Пожалуйста решите срочно, помогите, нужно с решением а не просто ответ

Приложения:

Ответы

Автор ответа: onlainhelp
3

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

2-4x-8-2=21x+6\\

-4x-8=21x+6

-4x-21x=8+6

-25x=14

x=-\frac{14}{25}

Ответ: x=-\frac{14}{25}

Пояснение:

1. В левой части раскрываем скобки с противоположным знаком, т.к. стоит минус. В правой -- выполняем умножение.

2. Приводим подобные в левой части.

3. Переносим слагаемые в другую часть уравнения с противоположным знаком.

4. Приводим подобные.

5. Делим обе стороны.

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