-7=5v+20-8v

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Solution for -7=5v+20-8v equation: 



-7=5v+20-8v

We move all terms to the left:

-7-(5v+20-8v)=0

We add all the numbers together, and all the variables

-(-3v+20)-7=0

We get rid of parentheses

3v-20-7=0

We add all the numbers together, and all the variables

3v-27=0

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

3v=27

v=27/3

v=9

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