Предмет: Математика, автор: Reginka839

Мне нужна помощь,в уравнении.Вот такое:-4(5-7х)=3х+50

Ответы

Автор ответа: sashkanohin

0

-4(5-7х)=3х+50
-20+28х-3х-50=0
25х-70=0
х=70/25
×=2,8

Автор ответа: Reginka839

0

Спасибо большое помогла очень

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