The inequality is

Apply division property of inequality: Divide each side by 6.

            (Cancel common terms)

                 (Divide:)

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

                       (Product of two same signs is positive sign)

                           (Product of two diffirent signs is negative sign)

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  and less than or eual to   in .

               (Substitute )

                          (Multiply: )

The inequality is true.

The inequality solution is .