2x-9y=-81

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


Simplifying
2x + -9y = -81

Solving
2x + -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.
2x + -9y + 9y = -81 + 9y

Combine like terms: -9y + 9y = 0
2x + 0 = -81 + 9y
2x = -81 + 9y

Divide each side by '2'.
x = -40.5 + 4.5y

Simplifying
x = -40.5 + 4.5y

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