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

The inequality is $\"\"$ .

Apply addition property of inequality: Add 6 to each side.

$\"\"$

$\"\"$ (Additive inverse property: $\"\"$ )

$\"\"$ (Additive identity property: $\"\"$ )

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

Graph the solution set on a number line

$\"number$

Note: A dot means that this point is included in the solution set. $\"\"$

Check:

To check, substitute a number 8.5, less than or equal to 8.5 in $\"\"$ .

$\"\"$ (Substitute: t = 8)

$\"\"$ (Subtract : $\"\"$ )

The inequality is true.

$\"\"$

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