Prealgebra (7th Edition)

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

Chapter 9 - Cumulative Review: 14

Answer

$x=30$

Work Step by Step

$0.4x-9.3=2.7$ $0.4x-9.3+9.3=2.7+9.3$ $0.4x=12$ $\frac{2}{5}x=\frac{12}{1}$ $\frac{2}{5}x\times\frac{5}{2}=\frac{12}{1}\times\frac{5}{2}$ $x=\frac{60}{2}$ $x=30$
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