Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.3 - Further Solving Linear Equations - Exercise Set - Page 118: 18


x = -2

Work Step by Step

$\frac{4}{5}x - \frac{8}{5} = -\frac{16}{5}$ Add $\frac{8}{5}$ to both sides: $\frac{4}{5}x = -\frac{16}{5} + \frac{8}{5}$ $\frac{4}{5}x = -\frac{8}{5}$ Multiply both sides by the reciprocal of the coefficient, $\frac{5}{4}$ $\frac{5}{4}(\frac{4}{5}x) = (-\frac{8}{5})\frac{5}{4}$ x = -2
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