You can
put this solution on YOUR website! .
|x-5| -2 <= 7
is equivalent to
|x-5| <= 9.
The solution is the set of all real numbers that are remoted not farther than 9 units from the point "5" in a number line,
i.e. -4 <= x <= 14.
Answer. The solution set is -4 <= x <= 14.
The answer (and the solution ?) by @josgarithmetic is W R O N G.
Simply ignore it.