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Verified answer
3x-6 < 183x < 18-6
3x < 12
x < 12/3
x < 4
Kelas X
|3x - 6| < 18
-18 < 3x - 6 < 18
-12 < 3x < 24
-4 < x < 8
HP : { x | -4 < x < 8 , x ∈ R }