Answer
$-9$
Work Step by Step
$-2 + (-7)$
Here, there is both a + and - sign.
The - sign wins when there is a + and a -.
That means it is $-2 - 7$, which equals $-9$.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - Chapter Review - Page 71: 58
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