Answer
Not a solution
Work Step by Step
We plug in -9 for y to see if it is a solution:
$−9+1=8$
$−8=8 $
$−8≠8$, so $-9$ is not a solution.
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 - 1-8 An Introduction to Equations - Lesson Check - Page 56: 1
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