Prealgebra (7th Edition)

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

Chapter 3 - Review: 91

Answer

$x=5$

Work Step by Step

$3x+12=27$ $\longrightarrow$addition property $3x+12-12=27-12$ $\longrightarrow$combine like terms $3x=15$ $\longrightarrow$multiplication property $3x\div3=15\div3$ $\longrightarrow$divide $x=5$
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