# How do you translate "the sum of 18 and a number" into an algebraic expression?

Jun 27, 2015

The expression you are looking for is:

$18 + x$

#### Explanation:

The sum of two numbers is the result of adding them.

Typically we use a letter like $x$ to stand for a number.

So the sum of $18$ and a number is $18 + x$