College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 1 - Section 1.1 - Linear Equations - 1.1 Exercises - Page 84: 29

Answer

Identity; Solution: All Real Numbers.

Work Step by Step

$4(2x+7)=2x+22+3(2x+2)$ Distribute and add appropriate terms. $8x+28=8x+28$ All terms cancel out leaving you left with a true statement (0=0), and the equation is therefore an identity. $0=0$ Identity; Solution: All Real Numbers.
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