4=xy-y^2

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Solution for 4=xy-y^2 equation:


Simplifying
4 = xy + -1y2

Solving
4 = xy + -1y2

Solving for variable 'x'.

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

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

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

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

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

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

Simplifying
x = 4y-1 + y

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