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

The inequality is $\"\"$ .

Apply subtraction property of inequality: Subtract 4 from each side.

$\"\"$

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

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

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

Graph the solution set on a number line

$\"\"$

Check:

To check, substitute a number less than 1, in $\"\"$ .

$\"\"$

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

$\"\"$

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