84=6v-6(2v-7)

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Solution for 84=6v-6(2v-7) equation:



84=6v-6(2v-7)
We move all terms to the left:
84-(6v-6(2v-7))=0
We calculate terms in parentheses: -(6v-6(2v-7)), so:
6v-6(2v-7)
We multiply parentheses
6v-12v+42
We add all the numbers together, and all the variables
-6v+42
Back to the equation:
-(-6v+42)
We get rid of parentheses
6v-42+84=0
We add all the numbers together, and all the variables
6v+42=0
We move all terms containing v to the left, all other terms to the right
6v=-42
v=-42/6
v=-7

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