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

The inequality is $\"\"$

Apply division property of inequality: Divide each side by 8.4.

$\"\"$

$\"\"$ (Cancel common terms)

$\"\"$ (Multiply each side by negative one and flip the symbol)

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

$\"\"$ (Multiply each side by negative one and flip the symbol)

$\"\"$

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-0.25 in inequality $\"\"$ .

$\"\"$

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

The inequality is true. $\"\"$

The inequality solution is $\"\"$ .