*nonzero integer*, determine all values of n and x for which this is possible.

Keeping all the other conditions unaltered, how about:

x degrees Celsius = nx degrees Fahrenheit?

__Note__:

Fahrenheit to Celsius:

^{o}C= 5*(

^{o}F - 32)/9

Celsius to Fahrenheit :

^{o}F= (°C*9/5) + 32