64x^2+16y^2=81

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Solution for 64x^2+16y^2=81 equation: 


Simplifying
64x2 + 16y2 = 81

Solving
64x2 + 16y2 = 81

Solving for variable 'x'.

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

Add '-16y2' to each side of the equation.
64x2 + 16y2 + -16y2 = 81 + -16y2

Combine like terms: 16y2 + -16y2 = 0
64x2 + 0 = 81 + -16y2
64x2 = 81 + -16y2

Divide each side by '64'.
x2 = 1.265625 + -0.25y2

Simplifying
x2 = 1.265625 + -0.25y2

Reorder the terms:
-1.265625 + x2 + 0.25y2 = 1.265625 + -0.25y2 + -1.265625 + 0.25y2

Reorder the terms:
-1.265625 + x2 + 0.25y2 = 1.265625 + -1.265625 + -0.25y2 + 0.25y2

Combine like terms: 1.265625 + -1.265625 = 0.000000
-1.265625 + x2 + 0.25y2 = 0.000000 + -0.25y2 + 0.25y2
-1.265625 + x2 + 0.25y2 = -0.25y2 + 0.25y2

Combine like terms: -0.25y2 + 0.25y2 = 0.00
-1.265625 + x2 + 0.25y2 = 0.00

The solution to this equation could not be determined.

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