$\"\"$

The inequality is $\"\"$ .

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

$\"\"$ (Add 15 to each side)

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

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

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

The solution set is $\"\"$ .

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

Note:

The point indicated with the open circle is not included in the solution set. \ \ $\"\"$

The graph of $\"\"$ is

$\"number$

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