Represent the following phrase as an algebraic expression, where "a number" is the letter x. You do not need to simplify. Four times the difference of a number and 5 .

The phrase "Four times the difference of a number and 5" can be translated into an algebraic expression as follows: 1. **Identify "a number":** Let the number be represented by \( x \). 2. **Difference of the number and 5:** This is \( x - 5 \). 3. **Four times that difference:** Multiply the difference by 4, resulting in \( 4(x - 5) \). **Algebraic Expression:** \[ 4(x - 5) \]