Answer
$x=1$
Work Step by Step
$\sqrt {3x+1} -2=0$
$\sqrt {3x+1} -2+2=0+2$
$\sqrt{3x+1}=2$
$(\sqrt{3x+1})^2=2^2$
$3x+1=4$
$3x=3$
$3x/3=3/3$
$x=1$
$\sqrt {3x+1} -2=0$
$\sqrt {3*1+1} -2=0$
$\sqrt {3+1} -2=0$
$\sqrt {4} -2=0$
$2-2=0$
$0=0$ (true)
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.6 - Radical Equations and Problem Solving - Exercise Set - Page 728: 28
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
