Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Section 2.1 - Linear Equations in One Variable - Exercise Set: 77

Answer

All real numbers

Work Step by Step

We are given the equation $2x+3=2x+3$. Without simplifying, we can tell that this equation will have all real numbers as solutions because both sides are identical. Therefore, we can plug in any real number value for x, and both sides will still be equal. Example, $x=0$ $2\times0+3=2\times0+3=3$ Example, $x=3$ $2\times3+3=2\times3+3=9$
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