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 2.1 - The Addition Property of Equality - Exercise Set: 52

Answer

s=6

Work Step by Step

20-7s=26-8s First add 8s to both sides 20-7s+8s=26 20+s=26 Then subtract 20 from both sides s=26-20 s=6 Check the answer 20-7(6)=26-8(6) 20-42=26-48 -22=-22
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