# Question #0857c

Dec 10, 2016

#### Answer:

$1$

#### Explanation:

To evaluate $2 x - 5$ at $x = 3$, we replace every instance of $x$ in the given expression with a $3$.

$2 \textcolor{red}{x} - 5 \to 2 \textcolor{red}{\left(3\right)} - 5$

Then we evaluate the new expression.

$2 \left(3\right) - 5 = 6 - 5 = 1$