\"\"\"\"

\

The inequality is \"\".

\

Apply subtraction property of inequality: Subtract 4z from each side.

\

\"\"

\

Apply commutative property of addition: \"\".

\

\"\"

\

\"\"               (Apply Additive inverse property: \"\")

\

\"\"                     (Apply Additive identity property: \"\")

\

\"\"                             (Subtract: \"\")\"\"

\

Apply subtraction property of inequality: Subtract 2 from each side.

\

\"\"

\

\"\"                        (Subtract: \"\")

\

\"\"                              (Apply Additive inverse property: \"\")

\

\"\"                                    (Apply Additive identity property: \"\")\"\"

\

Apply division property of inequality: Divide each side by 5.

\

\"\"

\

\"\"                                    (Cancel common terms)

\

\"\"                                     (Divide: \"\")

\

The solution set is \"\"

\

Graph the solution set on a number line.\"number

\

Note: A circle means that this point is not included in the solution set.\"\"

\

The solution set is \"\".

\

The graph is 

\

 

\

\"number