Solve for m
m\geq 7
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-4m\leq 12-40
Subtract 40 from both sides.
-4m\leq -28
Subtract 40 from 12 to get -28.
m\geq \frac{-28}{-4}
Divide both sides by -4. Since -4 is negative, the inequality direction is changed.
m\geq 7
Divide -28 by -4 to get 7.
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