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-8=v/2-4
We move all terms to the left:
-8-(v/2-4)=0
We get rid of parentheses
-v/2+4-8=0
We multiply all the terms by the denominator
-v+4*2-8*2=0
We add all the numbers together, and all the variables
-1v-8=0
We move all terms containing v to the left, all other terms to the right
-v=8
v=8/-1
v=-8
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