-9x+9y=-81

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Solution for -9x+9y=-81 equation: 


Simplifying
-9x + 9y = -81

Solving
-9x + 9y = -81

Solving for variable 'x'.

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

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

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

Divide each side by '-9'.
x = 9 + y

Simplifying
x = 9 + y

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