Answer
-12
Work Step by Step
Place a mark at -9. Now count 3 spaces to the left as you are adding a negative, and add a mark. The location of the second mark gives you your answer. In this case, it should be at -12.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises - Page 34: 17
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