Answer
$x=59$
Work Step by Step
$\sqrt {x+5}-8=0$
Add 8 to both sides.
$\sqrt{x+5}-8+8=0+8$
Simplify.
$\sqrt{x+5}=8$
Square both sides.
$(\sqrt {x+5})^2=8^2$
Simplify.
$x+5=64$
Subtract 5 from each side.
$x+5-5=64-5$
Simplify.
$x=59$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 8 - Section 8.5 - Radical Equations - Exercise Set - Page 607: 8
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