Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Cumulative Review - Page 626: 13


$a.) \ 5$ $b.) \ 8-x$

Work Step by Step

$a.) \ a+3=8 \longrightarrow a=8-3 \longrightarrow a=5$ $b.) \ b+x=8 \longrightarrow b = 8-x$
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