   Chapter 2.1, Problem 21E

Chapter
Section
Textbook Problem

Add: ( − 4 ) + ( − 5 )

To determine

To calculate: The sum of the expression (4)+(5).

Explanation

Given Information:

The expression is (4)+(5).

Formula used:

Steps for the addition of two like signed numbers:

1). Perform addition of absolute values.

2). If both numbers are positive; positive sign may or may not be used before the result.

3). If both numbers are negative; negative sign is used before the result.

Calculation:

Consider the provided expression:

(4)+(5)

Both addends are negative

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