v-7+v=-9+3v

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Solution for v-7+v=-9+3v equation: 



v-7+v=-9+3v

We move all terms to the left:

v-7+v-(-9+3v)=0

We add all the numbers together, and all the variables

v+v-(3v-9)-7=0

We add all the numbers together, and all the variables

2v-(3v-9)-7=0

We get rid of parentheses

2v-3v+9-7=0

We add all the numbers together, and all the variables

-1v+2=0

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

-v=-2

v=-2/-1

v=+2

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