x^2+y=400

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Solution for x^2+y=400 equation:


Simplifying
x2 + y = 400

Solving
x2 + y = 400

Solving for variable 'x'.

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

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

Combine like terms: y + -1y = 0
x2 + 0 = 400 + -1y
x2 = 400 + -1y

Simplifying
x2 = 400 + -1y

Reorder the terms:
-400 + x2 + y = 400 + -1y + -400 + y

Reorder the terms:
-400 + x2 + y = 400 + -400 + -1y + y

Combine like terms: 400 + -400 = 0
-400 + x2 + y = 0 + -1y + y
-400 + x2 + y = -1y + y

Combine like terms: -1y + y = 0
-400 + x2 + y = 0

The solution to this equation could not be determined.

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