SOLUTION: List all possible pairs of integers x and y such that the product of x and y equals the sum of x and y.
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Question 569992
:
List all possible pairs of integers x and y such that the product of x and y equals the sum of x and y.
Answer by
ankor@dixie-net.com(22740)
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List all possible pairs of integers x and y such that the product of x and y equals the sum of x and y.
:
x + y = xy
y - xy = -x
y(1-x) = -x
y =
:
x=2, y=2 are the only integers
:
