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20=-v/8
We move all terms to the left:
20-(-v/8)=0
We get rid of parentheses
v/8+20=0
We multiply all the terms by the denominator
v+20*8=0
We add all the numbers together, and all the variables
v+160=0
We move all terms containing v to the left, all other terms to the right
v=-160
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