Prealgebra (7th Edition)

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 388: 47



Work Step by Step

$\frac{x}{3}$ +$\frac{2x}{7}$ =$\frac{x\times7}{3\times7}$ +$\frac{2x\times3}{7\times3}$ =$\frac{7x}{21}$ +$\frac{6x}{21}$ =$\frac{7x + 6x}{21}$ =$\frac{13x}{21}$
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