Russia | A Nice Algebra Problem

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[@toffixplayTFX]

(x/5)^x = 5^5^2
(x/5)^x = 5^25
(x/5)^x = (25/5)^25

[@igorsidorin3585]

Wow. Very nice!

[@prollysine]

The good old Lambert W solution , x=5*e^(W(5ln5)) , x=25 ,