#### Answer

Distributive Property

#### Work Step by Step

$State$ $the$ $property$ $of$ $real$ $numbers$ $being$ $used:$
$4(a+b) = 4a + 4b$
The Distributive Property states when we multiply a number by a sum of two numbers, we get the same result as we get if we multiply the number by each of the terms and then add the results: $a(b+c) = ab+ac$