4-x^2=y

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Solution for 4-x^2=y equation:


Simplifying
4 + -1x2 = y

Solving
4 + -1x2 = y

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -1x2 = -4 + y

Combine like terms: 4 + -4 = 0
0 + -1x2 = -4 + y
-1x2 = -4 + y

Divide each side by '-1'.
x2 = 4 + -1y

Simplifying
x2 = 4 + -1y

Reorder the terms:
-4 + x2 + y = 4 + -1y + -4 + y

Reorder the terms:
-4 + x2 + y = 4 + -4 + -1y + y

Combine like terms: 4 + -4 = 0
-4 + x2 + y = 0 + -1y + y
-4 + x2 + y = -1y + y

Combine like terms: -1y + y = 0
-4 + x2 + y = 0

The solution to this equation could not be determined.

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