7-9v=-83

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Solution for 7-9v=-83 equation: 



7-9v=-83

We move all terms to the left:

7-9v-(-83)=0

We add all the numbers together, and all the variables

-9v+90=0

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

-9v=-90

v=-90/-9

v=+10

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