Answer
$x=7$
Work Step by Step
$4x + 7.6 = 2(3x-3.2)$
Multiply out the brackets
$4x + 7.6 = 6x - 6.4$
Subtract $4x$ from both sides
$7.6 = 2x - 6.4$
Add 6.4 to both sides
$2x = 14$
Divide both sides by 2
$x=7$
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: 39
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