7+2v=-1

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Solution for 7+2v=-1 equation: 



7+2v=-1

We move all terms to the left:

7+2v-(-1)=0

We add all the numbers together, and all the variables

2v+8=0

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

2v=-8

v=-8/2

v=-4

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