Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises - Page 92: 6



Work Step by Step

When a solution of an equation is substituted to the variables in the equation, it leads to a true statement. Substitute $8$ to $x$ to obtain: $2x+5=x-3 \\2(-8) +5 = -8-3 \\-16+5=-11 \\-11=-11$ Thus, $-8$ is a solution to the given equation. The given statement is true.
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