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: 33



Work Step by Step

$\frac{2x}{3}$-5=7 3($\frac{2x}{3}$-5)=3(7) 2x-3(5)=21 2x-15=21 2x=21+15 2x=36 x=$\frac{36}{2}$ x=18 Check the answer. $\frac{2(18)}{3}$-5=7 $\frac{36}{3}$-5=7 12-5=7 7=7
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