x^2-y=15-y

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Solution for x^2-y=15-y equation: 


Simplifying
x2 + -1y = 15 + -1y

Add 'y' to each side of the equation.
x2 + -1y + y = 15 + -1y + y

Combine like terms: -1y + y = 0
x2 + 0 = 15 + -1y + y
x2 = 15 + -1y + y

Combine like terms: -1y + y = 0
x2 = 15 + 0
x2 = 15

Solving
x2 = 15

Solving for variable 'x'.

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

Simplifying
x2 = 15

Take the square root of each side:
x = {-3.872983346, 3.872983346}

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