x+y+xy=90

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Solution for x+y+xy=90 equation:


Simplifying
x + y + xy = 90

Reorder the terms:
x + xy + y = 90

Solving
x + xy + y = 90

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.
x + xy + y + -1y = 90 + -1y

Combine like terms: y + -1y = 0
x + xy + 0 = 90 + -1y
x + xy = 90 + -1y

Reorder the terms:
-90 + x + xy + y = 90 + -1y + -90 + y

Reorder the terms:
-90 + x + xy + y = 90 + -90 + -1y + y

Combine like terms: 90 + -90 = 0
-90 + x + xy + y = 0 + -1y + y
-90 + x + xy + y = -1y + y

Combine like terms: -1y + y = 0
-90 + x + xy + y = 0

The solution to this equation could not be determined.

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