Given

$,$ the set of integers, which of the following predicates is true?$5$ points

Given xinZ, the set of integers, which of the following predicates is true?

EExinZ,$x^3=x$

AAxinZ,$x^{2}0$

$EE!$xinZ,$x=x^2$

If $P(x)$ is $2x=x+2,$ then $P(x)$ has no solution.

AAxinZ,$3xis$ odd