Answer
-1
Work Step by Step
Because the signs are different, find the difference of the absolute value of (+7) and (-8) which is 8-7=1, take the sign of the larger number for the result, -1
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: 25
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