[tex] \frac{5}{7} *x - \frac{3}{4} = \frac{1}{4} - \frac{2}{7} *x \ \textless \ =\ \textgreater \ [/tex]
[tex] \frac{5x}{7} + \frac{2x}{7} = \frac{3}{4} + \frac{1}{4} \ \textless \ =\ \textgreater \ [/tex]
[tex] \frac{7x}{7} = \frac{4}{4} =\ \textgreater \ x=1[/tex]