25x^2+4y^2=400

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Solution for 25x^2+4y^2=400 equation: 


Simplifying
25x2 + 4y2 = 400

Solving
25x2 + 4y2 = 400

Solving for variable 'x'.

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

Add '-4y2' to each side of the equation.
25x2 + 4y2 + -4y2 = 400 + -4y2

Combine like terms: 4y2 + -4y2 = 0
25x2 + 0 = 400 + -4y2
25x2 = 400 + -4y2

Divide each side by '25'.
x2 = 16 + -0.16y2

Simplifying
x2 = 16 + -0.16y2

Reorder the terms:
-16 + x2 + 0.16y2 = 16 + -0.16y2 + -16 + 0.16y2

Reorder the terms:
-16 + x2 + 0.16y2 = 16 + -16 + -0.16y2 + 0.16y2

Combine like terms: 16 + -16 = 0
-16 + x2 + 0.16y2 = 0 + -0.16y2 + 0.16y2
-16 + x2 + 0.16y2 = -0.16y2 + 0.16y2

Combine like terms: -0.16y2 + 0.16y2 = 0.00
-16 + x2 + 0.16y2 = 0.00

The solution to this equation could not be determined.

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