9x^2+15y^2=20

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Solution for 9x^2+15y^2=20 equation: 


Simplifying
9x2 + 15y2 = 20

Solving
9x2 + 15y2 = 20

Solving for variable 'x'.

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

Add '-15y2' to each side of the equation.
9x2 + 15y2 + -15y2 = 20 + -15y2

Combine like terms: 15y2 + -15y2 = 0
9x2 + 0 = 20 + -15y2
9x2 = 20 + -15y2

Divide each side by '9'.
x2 = 2.222222222 + -1.666666667y2

Simplifying
x2 = 2.222222222 + -1.666666667y2

Reorder the terms:
-2.222222222 + x2 + 1.666666667y2 = 2.222222222 + -1.666666667y2 + -2.222222222 + 1.666666667y2

Reorder the terms:
-2.222222222 + x2 + 1.666666667y2 = 2.222222222 + -2.222222222 + -1.666666667y2 + 1.666666667y2

Combine like terms: 2.222222222 + -2.222222222 = 0.000000000
-2.222222222 + x2 + 1.666666667y2 = 0.000000000 + -1.666666667y2 + 1.666666667y2
-2.222222222 + x2 + 1.666666667y2 = -1.666666667y2 + 1.666666667y2

Combine like terms: -1.666666667y2 + 1.666666667y2 = 0.000000000
-2.222222222 + x2 + 1.666666667y2 = 0.000000000

The solution to this equation could not be determined.

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