-25=-x^2-y^2

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Solution for -25=-x^2-y^2 equation:


Simplifying
-25 = -1x2 + -1y2

Solving
-25 = -1x2 + -1y2

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x2 = 25 + -1y2

Reorder the terms:
-25 + x2 + y2 = 25 + -1y2 + -25 + y2

Reorder the terms:
-25 + x2 + y2 = 25 + -25 + -1y2 + y2

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

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

The solution to this equation could not be determined.

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