y^2-9x=0

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Solution for y^2-9x=0 equation: 


Simplifying
y2 + -9x = 0

Reorder the terms:
-9x + y2 = 0

Solving
-9x + y2 = 0

Solving for variable 'x'.

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

Add '-1y2' to each side of the equation.
-9x + y2 + -1y2 = 0 + -1y2

Combine like terms: y2 + -1y2 = 0
-9x + 0 = 0 + -1y2
-9x = 0 + -1y2
Remove the zero:
-9x = -1y2

Divide each side by '-9'.
x = 0.1111111111y2

Simplifying
x = 0.1111111111y2

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