XY+X+Y=90

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Solution for XY+X+Y=90 equation: 


Simplifying
XY + X + Y = 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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