Найдите корень уравнения.
(13х-15)-(9+6х)=-3х
12-(4х-18)=(36+4х)+(18-6х)
1,6х-(х-2,8)=(0,2х+1,5)-0,7
(0,5х+1,2)-(3,6-4,5х)=(4,8-0,3х)+(10,5х+0,6)
1)13х-15-9-6х+3х=0
10х-24=0
10х=24
х=2.4
2)12-4х+8=36+4х+18-6х
-8х+6х=36+18-12-8
-2х=34
х=-17
3)1.6х -х+2.8=0.2+1.5-0.7
0.6х=-1.8
х=-3
4)0.5х+1.2-3.6+4.5х=4.8-0.3х+10.5х+0.6
-5.2х=7.8
х=-1.5