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2v-47=-7(v+8)
We move all terms to the left:
2v-47-(-7(v+8))=0
We calculate terms in parentheses: -(-7(v+8)), so:We get rid of parentheses
-7(v+8)
We multiply parentheses
-7v-56
Back to the equation:
-(-7v-56)
2v+7v+56-47=0
We add all the numbers together, and all the variables
9v+9=0
We move all terms containing v to the left, all other terms to the right
9v=-9
v=-9/9
v=-1
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