2x^2+9y^2-18=0

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Solution for 2x^2+9y^2-18=0 equation:


Simplifying
2x2 + 9y2 + -18 = 0

Reorder the terms:
-18 + 2x2 + 9y2 = 0

Solving
-18 + 2x2 + 9y2 = 0

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 2x2 + 18 + 9y2 = 0 + 18

Reorder the terms:
-18 + 18 + 2x2 + 9y2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 2x2 + 9y2 = 0 + 18
2x2 + 9y2 = 0 + 18

Combine like terms: 0 + 18 = 18
2x2 + 9y2 = 18

Add '-9y2' to each side of the equation.
2x2 + 9y2 + -9y2 = 18 + -9y2

Combine like terms: 9y2 + -9y2 = 0
2x2 + 0 = 18 + -9y2
2x2 = 18 + -9y2

Divide each side by '2'.
x2 = 9 + -4.5y2

Simplifying
x2 = 9 + -4.5y2

Reorder the terms:
-9 + x2 + 4.5y2 = 9 + -4.5y2 + -9 + 4.5y2

Reorder the terms:
-9 + x2 + 4.5y2 = 9 + -9 + -4.5y2 + 4.5y2

Combine like terms: 9 + -9 = 0
-9 + x2 + 4.5y2 = 0 + -4.5y2 + 4.5y2
-9 + x2 + 4.5y2 = -4.5y2 + 4.5y2

Combine like terms: -4.5y2 + 4.5y2 = 0.0
-9 + x2 + 4.5y2 = 0.0

The solution to this equation could not be determined.

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