Answer
adding 7
Work Step by Step
If you add 7 to both sides of the equation, it will isolate the variable, x, on one side of the equation and therefore give you the solution.
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 - Concept and Vocabulary Check - Page 120: 6
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