$\"\"$

The inequality is $\"\"$ .

Apply division property of inequality: Divide each side by 3.

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

$\"\"$ (Cancel common terms)

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

Check:

To check, substitute a number less than or equals to 5 in $\"\"$ .

$\"\"$

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

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