Solve for v
v<-1
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\frac{18}{2}>v+10
Divide both sides by 2. Since 2 is positive, the inequality direction remains the same.
9>v+10
Divide 18 by 2 to get 9.
v+10<9
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
v<9-10
Subtract 10 from both sides.
v<-1
Subtract 10 from 9 to get -1.
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