Answer
$x=124$
Work Step by Step
$\sqrt {x-3}-11=0$
Add 11 to both sides.
$\sqrt{x-3}-11+11=0+11$
Simplify.
$\sqrt{x-3}=11$
Square both sides.
$(\sqrt {x-3})^2=11^2$
Simplify.
$x-3=121$
Add 3 to each side.
$x-3+3=121+3$
Simplify.
$x=124$
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: 7
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