-9=4v+7

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Solution for -9=4v+7 equation: 



-9=4v+7

We move all terms to the left:

-9-(4v+7)=0

We get rid of parentheses

-4v-7-9=0

We add all the numbers together, and all the variables

-4v-16=0

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

-4v=16

v=16/-4

v=-4

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