Off Topic: Puzzle

[Roger Guay]

Hi Jim.

Wouldn't the second equation be:
								n + 10*m = m + 10*n

thus giving you two equations and two unkowns?

Roger

Jim Hurley wrote:
> n + 10*m = 5/9 (m + 10*n -32)
>
> This is one equation with two unknowns and so has no well defined,
> unique algebraic solution. The additional condition that n and m are
> integers, is a further constraint, and so there may be well defined
> solutions and these are generally obtained by the method of
> "exhaustion," that is trying all reasonable alternatives. So your
> approach was the reasonable one.
>