# How do you evaluate the expression (4-y)/(1-x) when x=2 and y=3?

Mar 12, 2018

Refer to the explanation.

#### Explanation:

Given:

$\frac{4 - y}{1 - x} ,$

where $x = 2$ and $y = 3$.

Substitute $2$ for $x$ and $3$ for $y$.

$\frac{4 - 3}{1 - 2}$

Simplify.

$\frac{1}{- 1} =$

$- 1$

Mar 12, 2018

$- 1$

#### Explanation:

Simply substitute the values of $x \left(2\right)$ and $y \left(3\right)$ given into the expression.

$\frac{4 - 3}{1 - 2} = - \frac{1}{1} = - 1$