Question

1) |8-0,2x|=12
2) |2x-1|=0
3) |10x-7|-32=-16

Answer 1

1
8-0,2x=-12 U 8-0,2x=12
0,2x=20 U 0,2x=-4
x=100 U x=-20
2
2x-1=0
2x=1
x=0,5
3
|10x-7|=16
10x-7=-16 U 10x-7=16
10x=-9 U 10x=23
x=-0,9 U x=2,3