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-7v-47=-4(v+8)
We move all terms to the left:
-7v-47-(-4(v+8))=0
We calculate terms in parentheses: -(-4(v+8)), so:We get rid of parentheses
-4(v+8)
We multiply parentheses
-4v-32
Back to the equation:
-(-4v-32)
-7v+4v+32-47=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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