Algebra 1: Common Core (15th Edition)

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: 53

Answer

-1

Work Step by Step

A key rule to remember is that subtracting a negative is the same as addition. Thus, we know that: $-15-(-14)=-15+14 $ We must also remember that a negative becomes more positive when a positive number is added to it. Thus, we obtain: $-15+14=-1$
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