Prealgebra (7th Edition)

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

Chapter 3 - Review: 60

Answer

$z=20$

Work Step by Step

$32z+11-28z=50+2z-(-1)$ $\longrightarrow$combine like terms $4z+11=51+2z$ $\longrightarrow$addition property $4z+11-11-2z=51+2z-11-2z$ $\longrightarrow$combine like terms $2z=40$ $\longrightarrow$multiplication property $2z\div2=40\div2$ $\longrightarrow$simplify $z=20$
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