2(v-7)+7v=31

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Solution for 2(v-7)+7v=31 equation: 



2(v-7)+7v=31

We move all terms to the left:

2(v-7)+7v-(31)=0

We add all the numbers together, and all the variables

7v+2(v-7)-31=0

We multiply parentheses

7v+2v-14-31=0

We add all the numbers together, and all the variables

9v-45=0

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

9v=45

v=45/9

v=5

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