The inequality is

Apply division property of inequality: Divide each side by 4.

                 (Cancel common terms)

                    (Divide: )

Graph the solution set on a number lin.

Note: A dot means that this point is included in the solution set.

Check:

To check, substitute a number less than or equal to 17 in inequality .

            (Substitute )

                  (Multiply: )

The inequality is true.

The inequality solution set is .