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.