Question

2(x-2)-1=5(x-2)-7
Решите уравнение

Answer 1

2х-4-1=5х-10-7
2х-5х=-10-7+4+1
-3х=-12
3х=12
х=4

Answer 2

2х-4-1=5х+10-7
2х-5х=-10-7+4+1
-3х=-12
х=12/3
=4