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-3 - 6x ≥ -3(x - 3)
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-3 - 6x ≥ -3(x - 3)
-3 - 6x ≥ -3x + 9
-6x + 3x ≥ 9+3
-3x ≥ 12
x ≤ -4 , I divided both sides by -3, so the inequality sign has to be reversed