$\"\"$

The inequality is $\"\"$ .

Apply commutative property of addition: $\"\"$

$\"\"$

$\"\"$ (Add: $\"\"$ )

Apply subtraction property of inequality: $\"\"$ .

$\"\"$ (Subtract 13 from each side)

$\"\"$ (Apply additive inverse property: $\"\"$ )

$\"\"$ (Apply additive identity property: $\"\"$ )

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

The solution set is $\"\"$ .

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

Note:

The point indicated with closed circle is included in the solution set. $\"\"$

The graph of $\"\"$ is

$\"number$

The inequality solution set is $\"\"$ .