-9x-9y=0

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Solution for -9x-9y=0 equation: 


Simplifying
-9x + -9y = 0

Solving
-9x + -9y = 0

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 = 0 + 9y

Combine like terms: -9y + 9y = 0
-9x + 0 = 0 + 9y
-9x = 0 + 9y
Remove the zero:
-9x = 9y

Divide each side by '-9'.
x = -1y

Simplifying
x = -1y

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