Question

пж...............пжжжп

Answer 1

1) 3(x-2)=4x
3x - 6= 4x
3x - 4x = 6
-x = 6
x= -6
2) 5(y+3)=10
5y + 15 = 10
5y = 10 - 15
5y= -5
y= -5:5
y = -1
3) 3(2x-7)=9
6x - 21 = 9
6x = 21+9
6x = 30
x = 30:6
x = 5
4) 6(z-1)=18
6z - 6 = 18
6z = 18 + 6
6z = 24
z = 24:6
z = 4