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-12=5v+8(v-8)
We move all terms to the left:
-12-(5v+8(v-8))=0
We calculate terms in parentheses: -(5v+8(v-8)), so:We get rid of parentheses
5v+8(v-8)
We multiply parentheses
5v+8v-64
We add all the numbers together, and all the variables
13v-64
Back to the equation:
-(13v-64)
-13v+64-12=0
We add all the numbers together, and all the variables
-13v+52=0
We move all terms containing v to the left, all other terms to the right
-13v=-52
v=-52/-13
v=+4
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