25x^2+y^2-400=0

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Solution for 25x^2+y^2-400=0 equation:


Simplifying
25x2 + y2 + -400 = 0

Reorder the terms:
-400 + 25x2 + y2 = 0

Solving
-400 + 25x2 + y2 = 0

Solving for variable 'x'.

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

Add '400' to each side of the equation.
-400 + 25x2 + 400 + y2 = 0 + 400

Reorder the terms:
-400 + 400 + 25x2 + y2 = 0 + 400

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

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

Add '-1y2' to each side of the equation.
25x2 + y2 + -1y2 = 400 + -1y2

Combine like terms: y2 + -1y2 = 0
25x2 + 0 = 400 + -1y2
25x2 = 400 + -1y2

Divide each side by '25'.
x2 = 16 + -0.04y2

Simplifying
x2 = 16 + -0.04y2

Reorder the terms:
-16 + x2 + 0.04y2 = 16 + -0.04y2 + -16 + 0.04y2

Reorder the terms:
-16 + x2 + 0.04y2 = 16 + -16 + -0.04y2 + 0.04y2

Combine like terms: 16 + -16 = 0
-16 + x2 + 0.04y2 = 0 + -0.04y2 + 0.04y2
-16 + x2 + 0.04y2 = -0.04y2 + 0.04y2

Combine like terms: -0.04y2 + 0.04y2 = 0.00
-16 + x2 + 0.04y2 = 0.00

The solution to this equation could not be determined.

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