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3v+31=-5(v-3)
We move all terms to the left:
3v+31-(-5(v-3))=0
We calculate terms in parentheses: -(-5(v-3)), so:We get rid of parentheses
-5(v-3)
We multiply parentheses
-5v+15
Back to the equation:
-(-5v+15)
3v+5v-15+31=0
We add all the numbers together, and all the variables
8v+16=0
We move all terms containing v to the left, all other terms to the right
8v=-16
v=-16/8
v=-2
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