20+9v=2+7v

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Solution for 20+9v=2+7v equation: 



20+9v=2+7v

We move all terms to the left:

20+9v-(2+7v)=0

We add all the numbers together, and all the variables

9v-(7v+2)+20=0

We get rid of parentheses

9v-7v-2+20=0

We add all the numbers together, and all the variables

2v+18=0

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

2v=-18

v=-18/2

v=-9

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