# Chapter 10 - Radical Expressions and Equations - Chapter Review - Page 655: 42

$r=1$

#### 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 $r=1$.

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