Exponential Equation | x^x = 3^(x+9)

[MartinPerez-oznk]

THANKS PROFESOR !!!!, VERY INTERESTING

[jim]

(x/3)^x = 3^9
(x/3)^(x/3) = 3^3
If a^a = b^b, then base a equals base b.
x/3 = 3
x = 9
Easier than calling Mr. Lambert into the room to help us.

[ajalex]

Hi! So we can say that if X^X = Z^Z, implies that X=Z?

[JPTaquari]

Solution very easy, but I don't find the 'wire of skein'