Answer
$z = 0.4$
Work Step by Step
$z +0.9 = 1.3$
Subtract 0.9 from both sides
$z = 0.4$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 5 - Section 5.6 - Solving Equations Containing Decimals - Practice - Page 384: 1
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