1)-2х+18=0
-2х=-18
Х =9
2)5х+6=3х-10
5х-3х=-10-6
2х=-16
Х=-8
3)13х+12=3(х-8)
12х+12=3х-24
12х-3х=-24-12
9х=-36
Х=-4
4)х-5/4=3+х/2
4х-5=12+2х
4х-2х=12+5
2х=17
Х=8.5
1)-2х+18=0
-2х=-18
Х =9
2)5х+6=3х-10
5х-3х=-10-6
2х=-16
Х=-8
3)13х+12=3(х-8)
12х+12=3х-24
12х-3х=-24-12
9х=-36
Х=-4
4)х-5/4=3+х/2
4х-5=12+2х
4х-2х=12+5
2х=17
Х=8.5