Answer
$x=4$
Work Step by Step
$\sqrt (x-3)-1=0$
Add 1 to both sides of the equation.
$\sqrt (x-3)=1$
Square both sides.
$(\sqrt (x-3))^{2}=1^{2}$
$x-3=1$
Add 3 to both sides.
$x=4$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.6 - Radical Equations and Problem Solving - Exercise Set - Page 453: 8
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