Solve for a
a<-15
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2a<-17-13
Subtract 13 from both sides.
2a<-30
Subtract 13 from -17 to get -30.
a<\frac{-30}{2}
Divide both sides by 2. Since 2 is positive, the inequality direction remains the same.
a<-15
Divide -30 by 2 to get -15.
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