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-7(v+2)=2v+31
We move all terms to the left:
-7(v+2)-(2v+31)=0
We multiply parentheses
-7v-(2v+31)-14=0
We get rid of parentheses
-7v-2v-31-14=0
We add all the numbers together, and all the variables
-9v-45=0
We move all terms containing v to the left, all other terms to the right
-9v=45
v=45/-9
v=-5
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