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3x-x-11x < -8-12+4
2x-11x < -20+4
-9x < -16
x < 16
9
x < 2
bagi 2 kasus
3x - 4 < x + 12
2x < 16
x < 8
x + 12 < 11x - 8
- 10x < - 20
x > 2
HP: 2 < x < 8
(3x - 5)/4 = (x + 4)/3 + (x - 1)
kalikan 12
3(3x - 5) = 4(x + 4) + 12(x - 1)
9x - 15 = 4x + 16 + 12x - 12
9x - 15 = 16x + 4
- 7x = 19
x = - 19/7