Answer
{$-\dfrac{5}{3},3$}
Work Step by Step
Given: $2|3x-2|=14$
This can also be written as: $|3x-2|=7$
As per definition of absolute value, we have
$3x-2=7$ and $3x-2=-7$
Thus, $3x=9 \implies x=3$ and $3x=-5 \implies x=-\dfrac{5}{3}$
Hence, {$-\dfrac{5}{3},3$}