Short but impossible math problem

Answer: x is

That's because

P.S.

x could be:

where the

X could be operator (IS NOT)

!

Because

1x=2
2x=4
3x=3
4x>8

are always either true or false conditions in any programming language.

1!=2    //Always True
2!=4    //Always True
3!=3    //Always False
4!>8    //Always True