$$\frac{2mx-1}{3}+\frac{4x+2}{2}\cdot-x+\frac{7}{2}=3x$$
$m=3x+6-\frac{19}{4x}$
$x\neq 0$
$x=\frac{-\sqrt{m^{2}-12m+93}+m-6}{6}$
$x=\frac{\sqrt{m^{2}-12m+93}+m-6}{6}$
