Answer
$ x = 7$
Work Step by Step
$\frac{2x+1}{3} + 16 = 3x$
$\frac{2x+1}{3} + 16 - 16 = 3x - 16$
$\frac{2x+1}{3} = 3x - 16$
$\frac{2x+1}{3} \times 3 = (3x - 16) \times 3$
$2x + 1 = 9x - 48$
$2x - 9x = -48 - 1$
$ - 7x = -49$
$ \frac{-7x}{-7} = \frac{-49}{-7}$
$x = 7$