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4x - 3 ≥ x + 12
4x - x ≥ 12 + 3
3x ≥ 15
x ≥ 5
Jadi, HP = {x|x 0 > x ≥ 5, x € asli}
= {1, 2, 3, 4, 5}
2/3x-1/6x > 1/2 + 2 =
4/6x - 1/6x > 1
3/6x > 1
x < 1/3/6
x< 3/6 atau 0,5