$$\left. \begin{array} { l } { \frac { 3 x + 1 } { 10 } = \frac { 1 } { 12 x + 5 } = 0 } \\ { \frac { 1 } { 10 x ) - 5 } = ( 5 - 2 , 5 ) = 60 - 10 = 0 } \\ { 4 , 5 = 5 , 25 = 5 , 2 = 65 + 6 = 0 , 5 = \right.$$
$x=\frac{\sqrt{161}}{24}-\frac{3}{8}\approx 0.153690731$
$x=-\frac{\sqrt{161}}{24}-\frac{3}{8}\approx -0.903690731$