Answer
$r=1$
Work Step by Step
$2\sqrt r=\sqrt 3r+1$
Square both sides:
$4r=3r+1$
$r=1$
Check:
$2\sqrt 1=\sqrt 3(1)+1$
$2=2$
The solution is $r=1$.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - Chapter Review - Page 655: 42
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