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

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



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

We move all terms to the left:

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



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

-7v+5(v-5)

We multiply parentheses

-7v+5v-25

We add all the numbers together, and all the variables

-2v-25

Back to the equation:

-(-2v-25)



We get rid of parentheses

2v+25-31=0

We add all the numbers together, and all the variables

2v-6=0

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

2v=6

v=6/2

v=3

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