9v-2v=42

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Solution for 9v-2v=42 equation: 



9v-2v=42

We move all terms to the left:

9v-2v-(42)=0

We add all the numbers together, and all the variables

7v-42=0

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

7v=42

v=42/7

v=6

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