Answer
-1.5
Work Step by Step
$-.8+(-.7)=-.8-.7=-(.8+.7)=-(1.5)=-1.5$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 9 - Basic Algebra - Review Exercises - Page 695: 22
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