Solve for b
b>4
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-4b<-7-9
Subtract 9 from both sides.
-4b<-16
Subtract 9 from -7 to get -16.
b>\frac{-16}{-4}
Divide both sides by -4. Since -4 is negative, the inequality direction is changed.
b>4
Divide -16 by -4 to get 4.
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