The inequality is .

According to subtraction property of inequality: Subtract 4 from each side.

                     (Subtract: )

                      (Apply additive inverse property: )

                            (Apply additive identity property: )

Graph the solution set on a number line.

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

Check:

To check, substitute 5, a number greater than 5, in .

                           (Add: )

The inequality solution set is .