31=5(v+2)-8v

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Solution for 31=5(v+2)-8v equation: 



31=5(v+2)-8v

We move all terms to the left:

31-(5(v+2)-8v)=0



We calculate terms in parentheses: -(5(v+2)-8v), so:

5(v+2)-8v

We add all the numbers together, and all the variables

-8v+5(v+2)

We multiply parentheses

-8v+5v+10

We add all the numbers together, and all the variables

-3v+10

Back to the equation:

-(-3v+10)



We get rid of parentheses

3v-10+31=0

We add all the numbers together, and all the variables

3v+21=0

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

3v=-21

v=-21/3

v=-7

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