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
$x=5$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Review - Page 206: 91
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