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