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3v=-8v+40
We move all terms to the left:
3v-(-8v+40)=0
We get rid of parentheses
3v+8v-40=0
We add all the numbers together, and all the variables
11v-40=0
We move all terms containing v to the left, all other terms to the right
11v=40
v=40/11
v=3+7/11
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