# How do you write an algebraic expression that models the word phrase "The sum of 57 and a number b"?

##### 2 Answers

Jun 22, 2018

#### Explanation:

"Sum" means that the two numbers are being added together. "b" is just a variable, which is like a replacement for the real number.

Jun 22, 2018

**"the sum of"** indicates addition.

Therefore, we can write: