XY-15=0

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Solution for XY-15=0 equation: 


Simplifying
XY + -15 = 0

Reorder the terms:
-15 + XY = 0

Solving
-15 + XY = 0

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + 15 + XY = 0 + 15

Combine like terms: -15 + 15 = 0
0 + XY = 0 + 15
XY = 0 + 15

Combine like terms: 0 + 15 = 15
XY = 15

Divide each side by 'Y'.
X = 15Y-1

Simplifying
X = 15Y-1

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