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
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
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