Answer
All the points are in the form of $(-4,y,z)$, where $y,z$ are real numbers.
Work Step by Step
Since $x$ is set to $-4$, the given plane is parallel to the $yz-$ plane and is $4$ units behind the yz-plane. Thus, all the points are in the form of $(-4,y,z)$, where $y,z$ are real numbers.
