College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.1 - Linear Equations - 1.1 Assess Your Understanding - Page 90: 25



Work Step by Step

$3+2n=4n+7$ $\longrightarrow$addition property of equality $3+2n-2n-7=4n+7-2n-7$ $\longrightarrow$combine like terms $-4=2n$ $\longrightarrow$multiplication property of equality $-4\div2=2n\div2$ $\longrightarrow$simplify $-2=n$
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