-8=5v+7

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Solution for -8=5v+7 equation: 



-8=5v+7

We move all terms to the left:

-8-(5v+7)=0

We get rid of parentheses

-5v-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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