Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Lesson Check: 8

Answer

Subtracting a number is the same as adding the opposite number.

Work Step by Step

For instance: $3-3=0$ but $3+(-3)=3-3=0$
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