Solve for x
x\geq -5
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-3x\leq 18-3
Subtract 3 from both sides.
-3x\leq 15
Subtract 3 from 18 to get 15.
x\geq \frac{15}{-3}
Divide both sides by -3. Since -3 is negative, the inequality direction is changed.
x\geq -5
Divide 15 by -3 to get -5.
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