Algebra: A Combined Approach (4th Edition)

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 100: 9

Answer

x = $\frac{5}{20}$ = $\frac{1}{4}$

Work Step by Step

x -$ \frac{2}{5}$ = -$\frac{3}{20}$ x - $\frac{2}{5}$ + $\frac{2}{5}$ = -$\frac{3}{20}$ + $\frac{2}{5}$ x = -$\frac{3}{20}$ + $\frac{2}{5}$ $\times$ $\frac{4}{4}$ x = -$\frac{3}{20}$ + $\frac{8}{20}$ x = $\frac{5}{20}$ = $\frac{1}{4}$
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