2v-7v=20

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Solution for 2v-7v=20 equation: 



2v-7v=20

We move all terms to the left:

2v-7v-(20)=0

We add all the numbers together, and all the variables

-5v-20=0

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

-5v=20

v=20/-5

v=-4

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