Prealgebra (7th Edition)

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

Chapter 6 - Cumulative Review: 33

Answer

x=2

Work Step by Step

$3(2x-6)+6=0$ $\longrightarrow$ apply distributive property $6x-18+6=0$ $\longrightarrow$ simplify $6x-12=0$ $\longrightarrow$ add 12 to both sides $6x-12+12=0+12$ $\longrightarrow$ simplify $6x=12$ $\longrightarrow$ divide both sides by 6 $6x\div6=12\div6$ $\longrightarrow$ simplify $x=2$
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