-31=9+4(v-3)

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Solution for -31=9+4(v-3) equation: 



-31=9+4(v-3)

We move all terms to the left:

-31-(9+4(v-3))=0



We calculate terms in parentheses: -(9+4(v-3)), so:

9+4(v-3)

determiningTheFunctionDomain
4(v-3)+9

We multiply parentheses

4v-12+9

We add all the numbers together, and all the variables

4v-3

Back to the equation:

-(4v-3)



We get rid of parentheses

-4v+3-31=0

We add all the numbers together, and all the variables

-4v-28=0

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

-4v=28

v=28/-4

v=-7

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