Question

Решите уравнение

3(x-7)-(9-2x)=2(12-x)-(x-10)

Answer 1

3х-21-9+2х= 24 -2х -х+10
5х-30=34-3х
5х+3х=34+30
8х=64
х=8

Answer 2

3х-21-9+2х= 24 -2х -х+10
5х-30=34-3х
5х+3х=34+30
8х=64
х=8

Answer 3

3х-21-9+2х=24-2х-х+10; 5х-30=-3х+34; 8х=34+30; 8х=64; х=8.