-81-9v=9

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Solution for -81-9v=9 equation: 



-81-9v=9

We move all terms to the left:

-81-9v-(9)=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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