# How do you write the following as an algebraic expression using x as the variable: Five times the sum of seven and a number?

May 25, 2018

$5 \left(7 + x\right)$

#### Explanation:

Given:

Five times the sum of seven and a number. Let $x$ represent the number.

A sum is the result of addition. Five times the sum means to multiply the sum by $5$.

$5 \left(7 + x\right)$