x+y^2=4

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Solution for x+y^2=4 equation: 


Simplifying
x + y2 = 4

Solving
x + y2 = 4

Solving for variable 'x'.

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

Add '-1y2' to each side of the equation.
x + y2 + -1y2 = 4 + -1y2

Combine like terms: y2 + -1y2 = 0
x + 0 = 4 + -1y2
x = 4 + -1y2

Simplifying
x = 4 + -1y2

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