Answer
-19
Work Step by Step
Sum all the positive addends. Sum all the negative addends. Find the sum of the two.
$(-5)+(+6)+(-9)+(-4)+(-7)=(+6)+(-25)=-19$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 2 - Section 2.1 - Addition of Signed Numbers - Exercises - Page 109: 57
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