80=9v+7v

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Solution for 80=9v+7v equation: 



80=9v+7v

We move all terms to the left:

80-(9v+7v)=0

We add all the numbers together, and all the variables

-(+16v)+80=0

We get rid of parentheses

-16v+80=0

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

-16v=-80

v=-80/-16

v=+5

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