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Find the number of ordered triples \((a,b,c)\) such that \(\begin{align*} a &= bc + 2, \\ b &= ac + 2, \\ c &= ab + 2. \end{align*}\)

 May 20, 2023
 #1
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By simple inspection

 

a = -1 and b = -1 and c = 3
a = -1 and b = 3 and c = -1
a = 3 and b = -1 and c = -1

 May 20, 2023

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