$\"\"$ $\"\"$

The inequality is $\"\"$ .

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

$\"\"$

$\"\"$ (Cancel common terms)

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

Graph the solution set on a number line

$\"number$

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

Check:

To check, substitute a number less than 13, in $\"\"$ .

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (multiply: $\"\"$ )

The inequality is true. $\"\"$

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