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-3v-42=-5(v+8)
We move all terms to the left:
-3v-42-(-5(v+8))=0
We calculate terms in parentheses: -(-5(v+8)), so:We get rid of parentheses
-5(v+8)
We multiply parentheses
-5v-40
Back to the equation:
-(-5v-40)
-3v+5v+40-42=0
We add all the numbers together, and all the variables
2v-2=0
We move all terms containing v to the left, all other terms to the right
2v=2
v=2/2
v=1
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