Upgrade subject to access all content

If $g(x)=-3+\left|x\right|$, then for which of the following values of $x$ does $g(-x)=g(x)$ ?

$\text{All real numbers}$

$\text{3 only}$

$\text{-3 only}$

$\text{All real except -3}$

$\text{All real except -3 and 3}$