1)3(х-2)=4х 5(z+3)=10 3(2x-7=9 2)2(2-y)=y-5 -(4x-2)=-6 -(3x-4)=3x-8

Question

1)3(х-2)=4х

5(z+3)=10

3(2x-7=9

2)2(2-y)=y-5

-(4x-2)=-6

-(3x-4)=3x-8

Answer 1

3х-6=4х
-6=4х-3х
-6=х
х=-6

5z+15=10
5z=-5
z=-1

6x-21=9
6x=30
x=5

№2
4-2y=y-5
9=3y
y=3

-4x+2=-6
-4x=-8
x=2

-3x+4=3x-8
6x=12
x=12