Prealgebra (7th Edition)

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

Chapter 6 - Cumulative Review - Page 466: 31



Work Step by Step

$3a-6=a+4$ $\longrightarrow$ isolate like terms on each side of equation $3a-6-a+6=a+4-a+6$ $\longrightarrow$ simplify $2a=10$ $\longrightarrow$ divide both sides by 2 $2a\div2=10\div2$ $\longrightarrow$ simplify $a=5$
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