Answer
$ x = 0.129$
Work Step by Step
$-50x + 0.81 = -40x - 0.48$
Add $50x$ to both sides
$0.81 = 10x - 0.48$
Add 0.48 to both sides
$10x = 1.29$
Divide both sides by 10
$ x = 0.129$
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: 38
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