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-x<2
x> -2 (2)
2. lxl>3 , x>3 (1) jadi, x>3 atau x< -3
-x>3
x< -3 (2)
3. l3x - 2l<3 , 3x-2< 3 jadi , -1/3 < x < 5/3
3x< 3+2
x< 5/3 (1)
-3x+2<3
-3x<3-2
x>-1/3 (2)
4. l3x+3l > 6, 3x+3 > 6 jadi , x>1 atau x< -1
3x>6-3
x>3/3
x>1 (1)
-3x-3>6
-3x>6+3
x< -3/3
x< -1 (2)
kalau salah maaf ya, masih pemula