hitunglah nilai x yg memenuhi persamaan nilai mutlak [8-3x]=[x-4]

a. 8-3x = x-4
8-3x-x =-4
-3x-x = -4-8
-4x = -12
x= -12/-4
x=3
b. 8-3x = -x+4
8-3x+x = 4
-3x+x = 4-8
-2x = -4
x= -4/-2
x=2
jadi Hp{2, 3}