Answer
22
Work Step by Step
$7-(-4)+11=(7-(-4))+11=(7+4)+11=11+11=22$
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter R - Section R.2 - Operations on Real Numbers - R.2 Exercises - Page 20: 38
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