7v-4v+v-3v+2v=9

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Solution for 7v-4v+v-3v+2v=9 equation: 



7v-4v+v-3v+2v=9

We move all terms to the left:

7v-4v+v-3v+2v-(9)=0

We add all the numbers together, and all the variables

3v-9=0

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

3v=9

v=9/3

v=3

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