9=7v-2v

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Solution for 9=7v-2v equation: 



9=7v-2v

We move all terms to the left:

9-(7v-2v)=0

We add all the numbers together, and all the variables

-(+5v)+9=0

We get rid of parentheses

-5v+9=0

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

-5v=-9

v=-9/-5

v=1+4/5

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