SOLUTION: If x+y=x, what is the numerical value of xy?

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Question 197907: If x+y=x, what is the numerical value of xy?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If x+y=x, what is the numerical value of xy?
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Multiply thru by x to get:
x^2 + xy = x^2
xy = x^2 - x^2
xy = 0
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Cheers,
Stan H.