7y^2-9x^2=63

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Solution for 7y^2-9x^2=63 equation:


Simplifying
7y2 + -9x2 = 63

Reorder the terms:
-9x2 + 7y2 = 63

Solving
-9x2 + 7y2 = 63

Solving for variable 'x'.

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

Add '-7y2' to each side of the equation.
-9x2 + 7y2 + -7y2 = 63 + -7y2

Combine like terms: 7y2 + -7y2 = 0
-9x2 + 0 = 63 + -7y2
-9x2 = 63 + -7y2

Divide each side by '-9'.
x2 = -7 + 0.7777777778y2

Simplifying
x2 = -7 + 0.7777777778y2

Reorder the terms:
7 + x2 + -0.7777777778y2 = -7 + 0.7777777778y2 + 7 + -0.7777777778y2

Reorder the terms:
7 + x2 + -0.7777777778y2 = -7 + 7 + 0.7777777778y2 + -0.7777777778y2

Combine like terms: -7 + 7 = 0
7 + x2 + -0.7777777778y2 = 0 + 0.7777777778y2 + -0.7777777778y2
7 + x2 + -0.7777777778y2 = 0.7777777778y2 + -0.7777777778y2

Combine like terms: 0.7777777778y2 + -0.7777777778y2 = 0.0000000000
7 + x2 + -0.7777777778y2 = 0.0000000000

The solution to this equation could not be determined.

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