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8=v/31.25+3
We move all terms to the left:
8-(v/31.25+3)=0
We get rid of parentheses
-v/31.25-3+8=0
We multiply all the terms by the denominator
-v-3*31.25+8*31.25=0
We add all the numbers together, and all the variables
-1v+156.25=0
We move all terms containing v to the left, all other terms to the right
-v=-156.25
v=-156.25/-1
v=156+0.25/1
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