Answer
-x, - 2x
Work Step by Step
The sum of the terms -x and -2x is -3x.
-x + (-2x) = -x - 2x = -3x
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 2 - Section 2.1 - The Additon Property of Equality - Exercise Set - Page 102: 75
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