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(i) 3X - 5 + 4 ≥ 0 dan (ii) - (3X - 5 + 4) < 0
so,,
3x - 5 + 4 ≥ 18
3X -1 ≥ 18
3X ≥ 19
(i) X ≥ 19/3 dan (ii) x < -19/3
maka HP nya { x < -19/3 atau x ≥ 19/3 }