Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.6 - Subtraction of Real Numbers - Exercise Set - Page 70: 4

Answer

$ a.\quad$the additive inverse of $-8$ is $8.$ $b.\quad 2-(-8)=2+8$

Work Step by Step

a. the additive inverse of $-8$ is $8.$ b. To subtract $b$ from $a,\ \mathrm{a}\mathrm{d}\mathrm{d}$ the opposite, or additive inverse, of $b$ to $a.$ $a-b=a+(-b)$ $2-(-8)=2+8$ $=10$
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