v=81-8v

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Solution for v=81-8v equation: 


Simplifying
v = 81 + -8v

Solving
v = 81 + -8v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '8v' to each side of the equation.
v + 8v = 81 + -8v + 8v

Combine like terms: v + 8v = 9v
9v = 81 + -8v + 8v

Combine like terms: -8v + 8v = 0
9v = 81 + 0
9v = 81

Divide each side by '9'.
v = 9

Simplifying
v = 9

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