   Chapter 2.1, Problem 30SND

Chapter
Section
Textbook Problem

Add the following signed number: ( + 9 ) + ( − 4 )

To determine

To calculate: The sum of the expression (+9)+(4).

Explanation

Given Information:

The expression is (+9)+(4).

Formula used:

Steps for the addition of two unlike signed numbers:

1). Determine the difference of their absolute values.

2). If absolute value of positive number is greater than the negative number; a positive sign may or may not be used before the result.

3). If absolute value of negative number is greater than the positive number; a negative sign is used before the result

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