Answer
-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.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 1 - Section 1.5 - Subtracting Real Numbers - Practice - Page 42: 9
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