Himpunan penyelesaian nilai mutlak -7|2x-4|+8=22 adalah

2x-4 jika x > 2
-2x+4 jika x < 2
maka,
# -7-2x+4+8 = 22
5-2x = 22
-2x = 17
x = -17/2

# -7+2x-4+8 = 22
2x-3 = 22
2x = 22+3
x = 25/2

HP = {(-17/2,25/2)}