21(v+16)=-(-12v+6)

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Solution for 21(v+16)=-(-12v+6) equation: 



21(v+16)=-(-12v+6)

We move all terms to the left:

21(v+16)-(-(-12v+6))=0

We multiply parentheses

21v-(-(-12v+6))+336=0



We calculate terms in parentheses: -(-(-12v+6)), so:

-(-12v+6)

We get rid of parentheses

12v-6

Back to the equation:

-(12v-6)



We get rid of parentheses

21v-12v+6+336=0

We add all the numbers together, and all the variables

9v+342=0

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

9v=-342

v=-342/9

v=-38

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