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: 21

Answer

$26$

Work Step by Step

RECALL: $a-b=a+(-b)$ Use the definition of subtraction above to obtain: $13-(-13) \\= 13+13 \\= 26$
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