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 - Page 33: 2


$-3$ $-2+(-1)=-3$

Work Step by Step

If we start at the number line on $-2$ and then move one unit to the left since we are adding $-1$, we come to $-3$. Thus: $-2+(-1)=-3$
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