# How do you write an algebraic expression that models the word phrase "The difference of 9 and a number n"?

$\text{difference} = 9 - n$
$\textcolor{g r e e n}{| \overline{\underline{\textcolor{w h i t e}{\frac{a}{a}} \text{difference} = 9 - n \textcolor{w h i t e}{\frac{a}{a}} |}}}$