Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Practice and Problem-Solving Exercises - Page 86: 52

Answer

If a one-step equation uses addition, you would not expect to solve it by using addition because you would need to cancel it out by its opposite.

Work Step by Step

x+1=2 For example, for this one step equation, you would solve it by subtracting one. You can see this because in order to get rid of the one you need to subtract one.
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