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 - Review Exercises - Page 108: 10

Answer

6 is a solution of the given equation

Work Step by Step

The given number is a solution if it satisfies the given equation. Substitute $6$ to $y$ to obtain: $2y+7=4y-5 \\2(6)+7 = 4(6)-5 \\12+7 = 24-5 \\19=19$ The result is a true statement Thus, $6$ is a solution of the given equation.
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