Chapter 12.3, Problem 39E

To determine

To find :the sum for $-9+\left(-5\right)$ .

Answer to Problem 39E

The sum for $-9+\left(-5\right)$ is $-14$ .

Explanation of Solution

Given : the expressionis $-9+\left(-5\right)$ .

Calculation: for find the sum of this expression subtract the opposite of the $\left(-5\right)$ from $-9$ ,

  $\begin{array}{l}-9+\left(-5\right)=-9-5[theopposite\left(-5\right)of is\text{ 5}]\\ -9+\left(-5\right)=-14\text{ [add]}\end{array}$

Hence,The sum for $-9+\left(-5\right)$ is $-14$ .