168=-7(3v-6)

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Solution for 168=-7(3v-6) equation: 



168=-7(3v-6)

We move all terms to the left:

168-(-7(3v-6))=0



We calculate terms in parentheses: -(-7(3v-6)), so:

-7(3v-6)

We multiply parentheses

-21v+42

Back to the equation:

-(-21v+42)



We get rid of parentheses

21v-42+168=0

We add all the numbers together, and all the variables

21v+126=0

We move all terms containing v to the left, all other terms to the right

21v=-126

v=-126/21

v=-6

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