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 77: 63



Work Step by Step

The given expression, $ 2a-(5a-9) $, simplifies to \begin{array}{l} 2a-(5a-9) \\\\= 2a-5a+9 \\\\= -3a+9 .\end{array}
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