Solve for x
x\leq -\frac{9}{2}
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-2x\geq 12-3
Subtract 3 from both sides.
-2x\geq 9
Subtract 3 from 12 to get 9.
x\leq -\frac{9}{2}
Divide both sides by -2. Since -2 is negative, the inequality direction is changed.
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