31+v=8(-v-4)

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Solution for 31+v=8(-v-4) equation: 



31+v=8(-v-4)

We move all terms to the left:

31+v-(8(-v-4))=0

We add all the numbers together, and all the variables

v-(8(-1v-4))+31=0



We calculate terms in parentheses: -(8(-1v-4)), so:

8(-1v-4)

We multiply parentheses

-8v-32

Back to the equation:

-(-8v-32)



We get rid of parentheses

v+8v+32+31=0

We add all the numbers together, and all the variables

9v+63=0

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

9v=-63

v=-63/9

v=-7

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