9x^2+4y^2+16y-20=0

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Solution for 9x^2+4y^2+16y-20=0 equation:


Simplifying
9x2 + 4y2 + 16y + -20 = 0

Reorder the terms:
-20 + 9x2 + 16y + 4y2 = 0

Solving
-20 + 9x2 + 16y + 4y2 = 0

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 9x2 + 16y + 20 + 4y2 = 0 + 20

Reorder the terms:
-20 + 20 + 9x2 + 16y + 4y2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 9x2 + 16y + 4y2 = 0 + 20
9x2 + 16y + 4y2 = 0 + 20

Combine like terms: 0 + 20 = 20
9x2 + 16y + 4y2 = 20

Add '-16y' to each side of the equation.
9x2 + 16y + -16y + 4y2 = 20 + -16y

Combine like terms: 16y + -16y = 0
9x2 + 0 + 4y2 = 20 + -16y
9x2 + 4y2 = 20 + -16y

Add '-4y2' to each side of the equation.
9x2 + 4y2 + -4y2 = 20 + -16y + -4y2

Combine like terms: 4y2 + -4y2 = 0
9x2 + 0 = 20 + -16y + -4y2
9x2 = 20 + -16y + -4y2

Divide each side by '9'.
x2 = 2.222222222 + -1.777777778y + -0.4444444444y2

Simplifying
x2 = 2.222222222 + -1.777777778y + -0.4444444444y2

Reorder the terms:
-2.222222222 + x2 + 1.777777778y + 0.4444444444y2 = 2.222222222 + -1.777777778y + -0.4444444444y2 + -2.222222222 + 1.777777778y + 0.4444444444y2

Reorder the terms:
-2.222222222 + x2 + 1.777777778y + 0.4444444444y2 = 2.222222222 + -2.222222222 + -1.777777778y + 1.777777778y + -0.4444444444y2 + 0.4444444444y2

Combine like terms: 2.222222222 + -2.222222222 = 0.000000000
-2.222222222 + x2 + 1.777777778y + 0.4444444444y2 = 0.000000000 + -1.777777778y + 1.777777778y + -0.4444444444y2 + 0.4444444444y2
-2.222222222 + x2 + 1.777777778y + 0.4444444444y2 = -1.777777778y + 1.777777778y + -0.4444444444y2 + 0.4444444444y2

Combine like terms: -1.777777778y + 1.777777778y = 0.000000000
-2.222222222 + x2 + 1.777777778y + 0.4444444444y2 = 0.000000000 + -0.4444444444y2 + 0.4444444444y2
-2.222222222 + x2 + 1.777777778y + 0.4444444444y2 = -0.4444444444y2 + 0.4444444444y2

Combine like terms: -0.4444444444y2 + 0.4444444444y2 = 0.0000000000
-2.222222222 + x2 + 1.777777778y + 0.4444444444y2 = 0.0000000000

The solution to this equation could not be determined.

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