Answer
-11
Work Step by Step
Adding two negative numbers is like adding two positive numbers, except the answer is negative. Thus, the only difference is that the answer has a negative sign in front of it.
Thus, because 2+9=11,
-$2+ -9=-11.$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
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 - Practice and Problem-Solving Exercises - Page 34: 23
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