-21=-3+8(v+4)

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Solution for -21=-3+8(v+4) equation: 



-21=-3+8(v+4)

We move all terms to the left:

-21-(-3+8(v+4))=0



We calculate terms in parentheses: -(-3+8(v+4)), so:

-3+8(v+4)

determiningTheFunctionDomain
8(v+4)-3

We multiply parentheses

8v+32-3

We add all the numbers together, and all the variables

8v+29

Back to the equation:

-(8v+29)



We get rid of parentheses

-8v-29-21=0

We add all the numbers together, and all the variables

-8v-50=0

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

-8v=50

v=50/-8

v=-6+1/4

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