The inequality is .

Apply addition property of inequality: Add 22 to each side.

                  (Additive inverse property: )

                         (Additive identity property: )

                                  (Add: )

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 a number less than or equal to in .

                   (Substitute )

                           (Sustract: )

The inequality is true.

The inequality solution is .