Solve for y
y>4
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-3y<-30+18
Add 18 to both sides.
-3y<-12
Add -30 and 18 to get -12.
y>\frac{-12}{-3}
Divide both sides by -3. Since -3 is negative, the inequality direction is changed.
y>4
Divide -12 by -3 to get 4.
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