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

The Inequality is $\"\"$

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

$\"\"$

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

$\"\"$ (Apply 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 4 in $\"\"$ .

$\"\"$ (Substitute $\"\"$ )

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

The Inequality is true. $\"\"$

The inequality solution is $\"\"$ .