-v+8-3v=-7-9v

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Solution for -v+8-3v=-7-9v equation: 



-v+8-3v=-7-9v

We move all terms to the left:

-v+8-3v-(-7-9v)=0

We add all the numbers together, and all the variables

-v-3v-(-9v-7)+8=0

We add all the numbers together, and all the variables

-4v-(-9v-7)+8=0

We get rid of parentheses

-4v+9v+7+8=0

We add all the numbers together, and all the variables

5v+15=0

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

5v=-15

v=-15/5

v=-3

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