$\"\"$

The inequality is $\"\"$ .

Apply multiplication property of inequality: Multiply each side by negative 7.

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

$\"\"$ (Cancel common terms)

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

Graph the solution set on a number line

$\"\"$

Check:

To check, substitute $\"\"$ 8.4 a number greater than $\"\"$ 8.4 in $\"\"$ .

$\"\"$

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

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