Answer
$x = -\frac{4}{7}$
Work Step by Step
$(\frac{-7}{10})x = \frac{2}{5}$
$x = \frac{2}{5} \div (\frac{-7}{10}) $
$x = \frac{2}{5} \times \frac{10}{-7} $
$x = \frac{20}{-35}$
$x = -\frac{4}{7}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.8 - Solving Equations Containing Fractions - Practice - Page 306: 4
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