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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-7v+3v+21+7=0

We add all the numbers together, and all the variables

-4v+28=0

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

-4v=-28

v=-28/-4

v=+7

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