[tex] \frac{5x - 1}{6x + 1} = \frac{5x + 2}{6x - 1} \\ (5x - 1)(6x - 1) = (5x + 2)(6x + 1)[/tex]
[tex]30 {x}^{2} - 11x + 1 = 30 {x}^{2} + 17x + 2[/tex]
[tex] - 11x - 17x = 1 \\ x = - \frac{1}{28} [/tex]
esa es la respuesta si no me equivoqué espero te ayude
