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56=4v-8
We move all terms to the left:
56-(4v-8)=0
We get rid of parentheses
-4v+8+56=0
We add all the numbers together, and all the variables
-4v+64=0
We move all terms containing v to the left, all other terms to the right
-4v=-64
v=-64/-4
v=+16
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