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 - 1.6 Subtraction of Real Numbers - 1.6 Exercise Set: 34

Answer

29

Work Step by Step

For any real number $a$, we know that $-(-a)=a$. That is, the opposite of the opposite of $a$ is $a$. Therefore, when $x=29$, $-(-x)=-(-29)=29$.
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