Answer
$x = 53.2$
Work Step by Step
$0.7x + 13.8 = x - 2.16$
Add 2.16 to both sides
$x = 0.7x + 15.96$
Subtract $0.3x$ from both sides
$0.3x = 15.96$
Divide both sides by 0.3
$x = 53.2$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 5 - Section 5.6 - Solving Equations Containing Decimals - Exercise Set - Page 387: 41
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