Algebra 1: Common Core (15th Edition)

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 36: 68

Answer

$\frac{2d}{5}$

Work Step by Step

A key rule to remember is that subtracting a negative is the same as addition. Thus, $\frac{d}{5}$-(-$\frac{d}{5}$)=$\frac{d}{5}$+$\frac{d}{5}$=$\frac{2d}{5}$
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