Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.7 - Equations - Exercise Set: 44

Answer

$\left\{-6, 4\right\}$

Work Step by Step

RECALL: $|x|=a \longrightarrow x=a \text{ or } x = -a$ Use the rule above to obtain: $x+1 = 5 \text{ or } x+1 = -5$ Solve each equation to obtain: $x = 5-1 \text{ or } x = -5 -1 \\x = 4 \text{ or } x =-6$ Thus, the solution set is $\left\{-6, 4\right\}$.
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