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5+13 ≥ 10x-4x
18 ≥ 6x
18/6 ≥ x
x ≤ 3
Hp {1,2,3} (B)
4x -10x ≥ -13 -5
-6x ≥ -18
x ≥ -18 : (-6)
x ≤ 3
yang di tanya adalah x bilangan asli, maka {1, 2, 3}