The inequality is .

Apply multiplication property of inequality: Multiply each side by 4.

                  (Cancel common terms)

                        (Multiply: )

Apply addition property of inequality: Add 8 to each side.

                 (Apply additive inverse property: )

                        (Apply additive identity property: )

                              (Add: )

Apply division property of inequality: If .

                         (Divide each side by 5)

                              (Cancel common terms)

                                 (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 include in the solution set.

The inequality solution set is .