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MathNet 2007-part-03 — 185 problems (EN–VI) Question 17

Math Olympiad Vault · MathNet 2007-part-03 — 185 problems (EN–VI)

Question 17

Find all real solutions of the equation
$$
3^{x^{2}-x-y}+3^{y^{2}-y-z}+3^{z^{2}-z-x}=1
$$