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2005 AIME I Question 8

AIME · 2005 AIME I

Question 8

The equation $$
2^{333x-2} + 2^{111x+2} = 2^{222x+1} + 1
$$ has three real roots. Given that their sum is $\frac{m}{n},$ where $m$ and $n$ are relatively prime positive integers, find $m + n.$