7v=2v-(20)

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Solution for 7v=2v-(20) equation: 



7v=2v-(20)

We move all terms to the left:

7v-(2v-(20))=0

We get rid of parentheses

7v-2v+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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