Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.5 - Subtracting Real Numbers - Practice: 9


-2 is not a solution.

Work Step by Step

First, substitute $-2$ for x in the equation. $-1+x=1$ $-1+(-2)=1$ $-3\ne1$ Because -3 is not equal to 1, -2 is not a solution.
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