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2v=8+4v
We move all terms to the left:
2v-(8+4v)=0
We add all the numbers together, and all the variables
2v-(4v+8)=0
We get rid of parentheses
2v-4v-8=0
We add all the numbers together, and all the variables
-2v-8=0
We move all terms containing v to the left, all other terms to the right
-2v=8
v=8/-2
v=-4
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