Question

Помогите решить уравнения: 1)(2х-2)-(3х+8)=13-(10х+4) 2)5+(8х-4)=7х-4-(11х-5)

Answer 1

1) (2х-2)-(3х+8)=13-(10х+4)
2х-2-3х-8=13-10х-4
2х-3х+10х=13-4+2+8
9х=19
х=19/9
х=2целых 1/9
2) 5+(8х-4)=7х-4-(11х-5)
5+8х-4=7х-4-11х+5
8х-7х+11х=-4+5-5+4
12х=0
х=0