Answer
$y=-|x-4|$
Work Step by Step
The graph of $y=-|x-h|$, where $h$ is a positive number, translates the graph $y=-|x|$ to the right $h$ units.
By substituting $4$ in for $h$, we can translate the graph $4$ units to the right.
This gives us the equation $y=-|x-4|$