$\"\"$

The inequality is $\"\"$ .

Apply division property of inequality: if $\"\"$ then $\"\"$ .

Divide each side by 3.

$\"\"$

Cancel common terms.

$\"\"$ .

The solution of the inequality is $\"\"$ and its graph is

$\"grph$

The open circle means that $\"\"$ is not a solution of the inequality. $\"\"$

The solution of the inequality is $\"\"$ and its graph is

$\"grph$