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Suppose I say

and

Then I can rewrite equation as:

The main thing to keep in mind is "logs are exponents"
This equation says:
The log to the base

which gives me

is equal to
the log to the base

which gives me

--------------------------------------------
This is 2 logs equal to each other, so I can say that log =

is true

is true
So,

must be true
and, since I said

and

It follows

By looking at it, I see

The solutions are:

and