The inequality is .

Apply multiplication property of inequality: Multiply each side by 6.

              (Cancel common terms)

                    (Multiply: )

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

                (Product of two same signs is positive)

                    (Product of two different signs is negative)

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 in .

                 (Substitute )

                 (Divide:)

                       (Division of two same signs is positive)

The inequality is true.

The inequality solution set is .