2v+7v=90

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Solution for 2v+7v=90 equation: 



2v+7v=90

We move all terms to the left:

2v+7v-(90)=0

We add all the numbers together, and all the variables

9v-90=0

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

9v=90

v=90/9

v=10

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