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: 49

Answer

y=30

Work Step by Step

0.92y+2=y-0.4 100(0.92y+2)=100(y-0.4) 92y+200=100y-40 200=100y-92y-40 200=8y-40 200+40=8y 240=8y 240$\div$8=y 30=y y=30 Check the answer. 0.92(30)+2=(30)-0.4 27.6+2=29.6 29.6=29.6
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