9v-639=-2

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Solution for 9v-639=-2 equation: 



9v-639=-2

We move all terms to the left:

9v-639-(-2)=0

We add all the numbers together, and all the variables

9v-637=0

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

9v=637

v=637/9

v=70+7/9

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