Answer
9
Work Step by Step
Recall, adding a negative is the same as subtraction. Thus, we obtain:
12+(-3)=12-3=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 - 1-9 Patterns, Equations, and Graphs - Practice and Problem-Solving Exercises - Page 66: 47
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