Prealgebra (7th Edition)

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

Chapter 3 - Review - Page 205: 58



Work Step by Step

$7(3y-2)-7=0$ $\longrightarrow$distributive property $21y-14-7=0$ $\longrightarrow$combine like terms $21y-21=0$ $\longrightarrow$addition property $21y-21+21=0+21$ $\longrightarrow$combine like terms $21y=21$ $\longrightarrow$multiplication property $21y\div21=21\div21$ $\longrightarrow$simplify $y=1$
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