$\"\"$

The inequality is $\"\"$ .

Apply addition property of inequality: Add 22 to each side.

$\"\"$

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

$\"\"$ (Apply additive identity property: $\"\"$ )

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

Graph the solution set on a number line.

$\"graph_of_the_inequality_g_less_than_or_equal_to_minus_18\"$

Note: A circle means that this point is not included in the solution set. $\"\"$

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

$\"\"$

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

The inequality is true. $\"\"$

The inequality solution is $\"\"$ .