Предмет: Алгебра, автор: sasha7011

-3(1-5х)+(2х-4)=2(х+1)

Ответы

Автор ответа: OblivionFire

раскроем скобки и упростим.

-3(1-5х)+(2х-4)=2(х+1);

-3+15х+2х-4=2х+2;

-3+15х-4=2;

-7+15х=2;

15х=2+7;

15х=9;

х=9:15;

х=0,6.

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