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45=-5(v+3)
We move all terms to the left:
45-(-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)
5v+15+45=0
We add all the numbers together, and all the variables
5v+60=0
We move all terms containing v to the left, all other terms to the right
5v=-60
v=-60/5
v=-12
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