Question

Решите линейное уравнение #1,2

Answer 1

1)3х-1=2(х-2)
3х-1=2х-4
3х-2х=-4+1
х=-3
2)3(х+5)=7-5х
3х+15=7-5х
3х+5х=7-15
8х=-8
х=-8:8
х=-1