The inequality equation is .

Apply multiplication property of inequality:  Multiply each side by 9.

           (Cancel Common terms)

                      (Multiply:  )

                   (Divide:  )       (Multiply each side by negative one and flip the symbol)

                         (Product of two same signs is positive)

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 greater than or equal to 3 in.

               (Substitute  )

               (Divide:  )

The inequality solution is .