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-2(v+9)=4
We move all terms to the left:
-2(v+9)-(4)=0
We multiply parentheses
-2v-18-4=0
We add all the numbers together, and all the variables
-2v-22=0
We move all terms containing v to the left, all other terms to the right
-2v=22
v=22/-2
v=-11
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