Solve for a
a\geq -5
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-4a\leq 23-3
Subtract 3 from both sides.
-4a\leq 20
Subtract 3 from 23 to get 20.
a\geq \frac{20}{-4}
Divide both sides by -4. Since -4 is negative, the inequality direction is changed.
a\geq -5
Divide 20 by -4 to get -5.
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