1096175 1096175

03-08-2020
Mathematics

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Find the number of ordered pairs $(m,n)$ of integers that satisfy \[mn = 2m + 4n.\] [tex]Find the number of ordered pairs $(m,n)$ of integers that satisfy \[mn = 2m + 4n.\][/tex]

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athename athename

04-08-2020

There are four pairs (m,n) that work: (5,10), (6,6), (8,4), and (12,3).

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