Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.2 - Linear Equations in One Variable - 1.2 Exercises - Page 87: 8

Answer

contradiction

Work Step by Step

The three types of equations we have are identities (with infinitely many solutions), conditional equations (with one solution) and contradictions (with no solution). $2(x+1)=2x-1\\2x+2=2x-1\\2=-1$ This is clearly a contradiction.
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