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-4=2v+2=
We move all terms to the left:
-4-(2v+2)=0
We get rid of parentheses
-2v-2-4=0
We add all the numbers together, and all the variables
-2v-6=0
We move all terms containing v to the left, all other terms to the right
-2v=6
v=6/-2
v=-3
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