10x^2-9y^2=20

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Solution for 10x^2-9y^2=20 equation: 


Simplifying
10x2 + -9y2 = 20

Solving
10x2 + -9y2 = 20

Solving for variable 'x'.

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

Add '9y2' to each side of the equation.
10x2 + -9y2 + 9y2 = 20 + 9y2

Combine like terms: -9y2 + 9y2 = 0
10x2 + 0 = 20 + 9y2
10x2 = 20 + 9y2

Divide each side by '10'.
x2 = 2 + 0.9y2

Simplifying
x2 = 2 + 0.9y2

Reorder the terms:
-2 + x2 + -0.9y2 = 2 + 0.9y2 + -2 + -0.9y2

Reorder the terms:
-2 + x2 + -0.9y2 = 2 + -2 + 0.9y2 + -0.9y2

Combine like terms: 2 + -2 = 0
-2 + x2 + -0.9y2 = 0 + 0.9y2 + -0.9y2
-2 + x2 + -0.9y2 = 0.9y2 + -0.9y2

Combine like terms: 0.9y2 + -0.9y2 = 0.0
-2 + x2 + -0.9y2 = 0.0

The solution to this equation could not be determined.

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