Question

Решите Уравнение
а)2-3(х+2)=7-2х
б)3(6-х)=12(х-3)-5(2-х)

Answer 1

2-3(х+2)=7-2х; 2-3х-6=7-2х; -3х+2х=7-2; -х=5; х=-5;

Answer 2

а)2-3(х+2)=7-2х
2-3х-6=7-2х
2-7-6=3х-2х
-11=х
б)3(6-х)=12(х-3)-5(2-х)
18-3х=12х-36-10+5х
18+36+10=12х+3х+5х
64=20х
х=64/20
х=3,2