Introductory Algebra for College Students (7th Edition)

by Blitzer, Robert F.

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 - Page 120: 51

Answer

x=6

Work Step by Step

12-6x=18-7x First add 7x to both sides 12-6x+7x=18 12+x=18 Then subtract 12 from both sides x=18-12 x=6 Check the answer 12-6(6)=18-7(6) 12-36=18-42 -24=-24

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