Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.3 - Solving Linear Equations - Exercise Set - Page 141: 9



Work Step by Step

$7(2x-1)=42$ $\frac{7(2x-1)}{7}=\frac{42}{7}$ $2x-1=6$ $2x=6+1$ $2x=7$ $x=\frac{7}{2}$ Check the answer. 7(2($\frac{7}{2}$)-1)=42 7(7-1)=42 7(6)=42 42=42
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