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Verified answer
2(3x -5) ≥ 9x + 86x -10 ≥ 9x + 8
6x - 9x ≥ 8 + 10
-3x ≥ 18
x ≤ 18 : -3 (tanda ≥ dibalik menjadi ≤ karena pembaginya bilangan negatif)
x ≤ -6
HP = {-6, -7, -8, -9, -10, ...}
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