-3v+5=v-7

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Solution for -3v+5=v-7 equation: 



-3v+5=v-7

We move all terms to the left:

-3v+5-(v-7)=0

We get rid of parentheses

-3v-v+7+5=0

We add all the numbers together, and all the variables

-4v+12=0

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

-4v=-12

v=-12/-4

v=+3

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