$\"subtraction$ $\"\"$

The equation is $\"\"$

Apply subtraction property of inequality: subtract 5 from each side.

$\"\"$

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

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

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

$\"number$

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

Check:

To check,substitute a number 2 or less than or equal to 2 in $\"\"$ .

$\"\"$ (Substitute d =5)

$\"\"$ (Add: 2 + 5 = 7) $\"\"$

The solution set is $\"\"$ .