81-9y=-2y

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Solution for 81-9y=-2y equation:


Simplifying
81 + -9y = -2y

Solving
81 + -9y = -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
81 + -9y + 2y = -2y + 2y

Combine like terms: -9y + 2y = -7y
81 + -7y = -2y + 2y

Combine like terms: -2y + 2y = 0
81 + -7y = 0

Add '-81' to each side of the equation.
81 + -81 + -7y = 0 + -81

Combine like terms: 81 + -81 = 0
0 + -7y = 0 + -81
-7y = 0 + -81

Combine like terms: 0 + -81 = -81
-7y = -81

Divide each side by '-7'.
y = 11.57142857

Simplifying
y = 11.57142857

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