Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Cumulative Review - Page 327: 34



Work Step by Step

$9y+1-8y=3-20\ \longrightarrow$ combine like terms $y+1=-17\ \longrightarrow$ addition property $y+1-1=-17-1\ \longrightarrow$ combine like terms $y=-18$
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