Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - Review Exercises: Chapter 1 - Page 76: 20


The answer is $\color{red} {2x + (y + z)}$.

Work Step by Step

The Associative Law of Addition states that changing groupings of a sum does not affect the answer. In this item, we can switch the groupings of the terms: \begin{align} (2x + y) + z &= \color{red} {2x + (y + z)} \end{align}
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