The inequality is .

                   (Product of two diffirent signs is negative)

Apply addition property of inequality: Add 3 to each side.

             (Apply additive inverse property: )

                   (Apply additive identity property: )

                         (Add: )

Check:

To check, substitute a number greater than in .

         (Substitute )

                (Product of two diffirent signs is negative)

                      (Sustract: )

The inequality is true.

The inequality solution set is .