9x+4y=-81

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Solution for 9x+4y=-81 equation: 


Simplifying
9x + 4y = -81

Solving
9x + 4y = -81

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
9x + 4y + -4y = -81 + -4y

Combine like terms: 4y + -4y = 0
9x + 0 = -81 + -4y
9x = -81 + -4y

Divide each side by '9'.
x = -9 + -0.4444444444y

Simplifying
x = -9 + -0.4444444444y

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