Prealgebra (7th Edition)

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

Chapter 2 - Review: 103

Answer

$n=-13$

Work Step by Step

$n-7=-20$ $\longrightarrow$ addition property of equality $n-7+7=-20+7$ $\longrightarrow$ simplify $n=-13$
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