3(v-7)+7v=-31

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Solution for 3(v-7)+7v=-31 equation: 



3(v-7)+7v=-31

We move all terms to the left:

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

We add all the numbers together, and all the variables

7v+3(v-7)+31=0

We multiply parentheses

7v+3v-21+31=0

We add all the numbers together, and all the variables

10v+10=0

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

10v=-10

v=-10/10

v=-1

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