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

The inequality $\"\"$ .

Apply addition property of inequality: Add 7 to each side.

$\"\"$

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

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

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

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 19 in $\"\"$ .

$\"\"$ (Substitute: s = 18)

$\"\"$ (Substract: $\"\"$ )

The inequality is true. $\"\"$

The inequality solution is $\"\"$ .