y=81-8y

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Solution for y=81-8y equation: 


Simplifying
y = 81 + -8y

Solving
y = 81 + -8y

Solving for variable 'y'.

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

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

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

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

Divide each side by '9'.
y = 9

Simplifying
y = 9

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