Answer
5
Work Step by Step
Because the signs are different, find the difference of the absolute value of (+9) and (-4) which is 9-4=5, take the sign of the larger number for the result, 5
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 - Signed Numbers Drill 1 - Page 109: 30
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