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-64=-4+3v
We move all terms to the left:
-64-(-4+3v)=0
We add all the numbers together, and all the variables
-(3v-4)-64=0
We get rid of parentheses
-3v+4-64=0
We add all the numbers together, and all the variables
-3v-60=0
We move all terms containing v to the left, all other terms to the right
-3v=60
v=60/-3
v=-20
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