miladatulush26 1)-6х-15=-3х+3
-6х+3х=3+15
-3х=18
х=-6

2)-2(2х-3)=-3(5+4х)
-4х+6=-15-12х
-4х+12х=-15-6
8х=-21
х=-2 целых 5/8

3)-5(2х-3)=-2(2+х)
-10х+15=-4-2х
-10х+2х=-4-15
-8х=-19
х=2 целых 3/8

4)-6(х-1)=х(5-4)
-6х+6=5х-4х
-6х-5х+4х=-6
-7х=-6
х=6/7

5)-9(2+3)=-3(2-3х)
-18-27=-6+9х
-9х=-6+18+27
-9х=39
х=-4 целых 1/3