Prealgebra (7th Edition)

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

Chapter 2 - Section 2.6 - Solving Equations: The Addition and Multiplication Properties - Exercise Set: 19

Answer

z=-4

Work Step by Step

$-3z=12$ $\longrightarrow$ multiplication property $-3z\div-3=12\div-3$ $\longrightarrow$ simplify $z=-4$ Substitute to check. $-3(-4)=12$ $12=12\checkmark$
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