-7=8+3v

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Solution for -7=8+3v equation: 



-7=8+3v

We move all terms to the left:

-7-(8+3v)=0

We add all the numbers together, and all the variables

-(3v+8)-7=0

We get rid of parentheses

-3v-8-7=0

We add all the numbers together, and all the variables

-3v-15=0

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

-3v=15

v=15/-3

v=-5

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