Chapter 1.7, Problem 49E

To determine

To calculate : find the difference of $-18-33$ .

Answer to Problem 49E

The difference of $-18-33$ is $-51$ .

Explanation of Solution

Given information :

Consider, the expression provided in the question,

  $-18-33$

Calculation :

To subtract an integer, add its opposite. Therefore,

  $-18-33=-18+\left(-33\right)$

Since, the integers in the above expression are of same signs.

Therefore, add the absolute values and use the common sign.

Therefore, the differenceof the expression is:

  $\begin{array}{l}-18-33=-18+\left(-33\right)\\ -18-33=-51\end{array}$

Hence,

The difference of the expression is $-51$ .