Answer
Answer of Part (a) = $-12$
Answer of Part (b)= $-9$
Work Step by Step
Part (a)
$3+(-7)+(-8)=$
$ 3-7-8=$
$-4-8=$
$-12=$
Part (b)
$[7+(-10)]+[-2+(-4)]=$
$(7-10)+(-2-4)=$
$-3+(-6)=$
$-9=$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Cumulative Review - Page 563: 3
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