31=7(v+3)-5v

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Solution for 31=7(v+3)-5v equation: 



31=7(v+3)-5v

We move all terms to the left:

31-(7(v+3)-5v)=0



We calculate terms in parentheses: -(7(v+3)-5v), so:

7(v+3)-5v

We add all the numbers together, and all the variables

-5v+7(v+3)

We multiply parentheses

-5v+7v+21

We add all the numbers together, and all the variables

2v+21

Back to the equation:

-(2v+21)



We get rid of parentheses

-2v-21+31=0

We add all the numbers together, and all the variables

-2v+10=0

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

-2v=-10

v=-10/-2

v=+5

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