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

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


Simplifying
9x2 + y2 + -18 = 0

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

Solving
-18 + 9x2 + y2 = 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 + 9x2 + 18 + y2 = 0 + 18

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

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

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

Add '-1y2' to each side of the equation.
9x2 + y2 + -1y2 = 18 + -1y2

Combine like terms: y2 + -1y2 = 0
9x2 + 0 = 18 + -1y2
9x2 = 18 + -1y2

Divide each side by '9'.
x2 = 2 + -0.1111111111y2

Simplifying
x2 = 2 + -0.1111111111y2

Reorder the terms:
-2 + x2 + 0.1111111111y2 = 2 + -0.1111111111y2 + -2 + 0.1111111111y2

Reorder the terms:
-2 + x2 + 0.1111111111y2 = 2 + -2 + -0.1111111111y2 + 0.1111111111y2

Combine like terms: 2 + -2 = 0
-2 + x2 + 0.1111111111y2 = 0 + -0.1111111111y2 + 0.1111111111y2
-2 + x2 + 0.1111111111y2 = -0.1111111111y2 + 0.1111111111y2

Combine like terms: -0.1111111111y2 + 0.1111111111y2 = 0.0000000000
-2 + x2 + 0.1111111111y2 = 0.0000000000

The solution to this equation could not be determined.

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