Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.1 - Introduction to Algebra: Variables and Mathematical Models - Exercise Set - Page 11: 43

Answer

solution

Work Step by Step

x+14 = 20;6 To check whether 6 is the solution of the given expression, Substitute 6 for x 6+14 = 20 (add 6+14) 20 = 20 The statement is true because the values on both sides of the equation are the same, the number 6 is a solution of the equation.
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