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8 >= 3x-4 >= -8
8+4 >= 3x >= -8-4
4 >= 3x >= -12
4/3 >= x >= -4
HP = {-4<= x <= 4/3}
b. |3x-2| < 6
6 < 3x-2 < -6
6+2 < 3x < -6+2
8 < 3x < -4
8/3 < x < -4/3
HP = {-4/3 > x > 8/3
c. |4x-2| > 6
6 > 4x-2 > -6
6+2 > 4x > -6 +2
8 > 4x > -4
2 > x > -1
HP = {-1 < x < 2}
Jadikan solusi terbaik yaaaa;)