#### Answer

3

#### Work Step by Step

$7-8-(-5)-1\ \longrightarrow$ subtract, beginning from the left side of the expression
=$-1-(-5)-1\ \longrightarrow$ subtracting a negative is the same as adding a positive
=$4-1\ \longrightarrow$ subtract
=$3$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

3

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