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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset Vaia Explanations$ Math

2nd Edition · 1240 pages

ISBN: 9780998625713

Chapter 1: Q. 1.73 (page 50)

Add:
a) $2 + 4$
b) $- 2 + (- 4)$

Short Answer

Expert verified

Part(a) The required answer is $6$ .

Part(b) the required answer is $- 6$ .

Step by step solution

01

Part(a) Step 1. Given Information

Given expression: $2 + 4$

02

Part(a) Step 2. Calculation

We have,

$2 + 4 = 6$

$2$ positives plus $4$ positives is 6 positives.

03

Part(b) Step 1. Given Information

Given expression: $- 2 + (- 4)$

04

Part(b) Step 2. Calculation

We have,

$- 2 + (- 4) = - 2 - 4 = - 6$ $2$ negatives plus $4$ negatives is $6$ negatives.

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