Answer
8.4
Work Step by Step
If $x=6$ and $z=-2.4$ then by substituting we get:
$x-z=6-(-2.4)=6+2.4=8.4$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 5 - Section 5.5 - Fractions, Decimals, and Order of Operations - Exercise Set - Page 383: 86
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