Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 2 - Section 2.6 - Solving Equations: The Addition and Multiplication Properties - Exercise Set - Page 148: 4


-7 is not a solution

Work Step by Step

$a+23=-16$$\longrightarrow$ substitute -7 for a $-7+23=-16$ $\longrightarrow$ simplify $16=-16 X$
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