Answer
-31
Work Step by Step
$\frac{4.2-(-8.2)}{-.4}=\frac{4.2+8.2}{-.4}=\frac{12.4}{-.4}=-(\frac{12.4}{.4})=-(\frac{31}{1})=-31$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Section 1.3 - Operations on Real Numbers and Order of Operations - Exercise Set - Page 27: 58
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