5x^2-4y^2=-99

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Solution for 5x^2-4y^2=-99 equation: 


Simplifying
5x2 + -4y2 = -99

Solving
5x2 + -4y2 = -99

Solving for variable 'x'.

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

Add '4y2' to each side of the equation.
5x2 + -4y2 + 4y2 = -99 + 4y2

Combine like terms: -4y2 + 4y2 = 0
5x2 + 0 = -99 + 4y2
5x2 = -99 + 4y2

Divide each side by '5'.
x2 = -19.8 + 0.8y2

Simplifying
x2 = -19.8 + 0.8y2

Reorder the terms:
19.8 + x2 + -0.8y2 = -19.8 + 0.8y2 + 19.8 + -0.8y2

Reorder the terms:
19.8 + x2 + -0.8y2 = -19.8 + 19.8 + 0.8y2 + -0.8y2

Combine like terms: -19.8 + 19.8 = 0.0
19.8 + x2 + -0.8y2 = 0.0 + 0.8y2 + -0.8y2
19.8 + x2 + -0.8y2 = 0.8y2 + -0.8y2

Combine like terms: 0.8y2 + -0.8y2 = 0.0
19.8 + x2 + -0.8y2 = 0.0

The solution to this equation could not be determined.

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