Mikeepuaviz
Answered

4h-2=18
2(x+3)=10
3(2x-4)=-36

Sagot :

4h - 2 = 18
4h - 2 + 2 = 18 + 2
4h = 20
4h/4 = 20/4
h = 5

2(x+3) = 10
2x + 6 = 10
2x + 6 - 6 = 10 - 6
2x/2 = 4/2
x = 2

3(2x-4) = -36
6x - 12 = -36
6x - 12 + 12 = -36 + 12
6x = -24
6x/6 = -24/6
x = - 4