# How do you write each phrase as a variable expression: Six-sevenths of a number decreased by two?

May 15, 2018

#### Answer:

$\frac{6}{7} x - 2$

#### Explanation:

Let "a number" be represented by the variable $x$.

"Six-sevenths of a number" means we must multiply $x$ by $\frac{6}{7}$

"Decreased by two" means we must subtract 2.