Answer
$\frac{3x-28}{21}$
Work Step by Step
$\frac{x}{7}$ -$\frac{4}{3}$
=$\frac{x\times3}{7\times3}$-$\frac{4\times7}{3\times7}$
LCD of 7 and 3 is 21
=$\frac{3x}{21}$ -$\frac{28}{21}$
= $\frac{3x-28}{21}$
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 - Exercise Set - Page 311: 37
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