Respuesta :

andres2003
This will take me a long time, but...[tex]x+ \frac{3}{4} = x- \frac{1}{5} =x+ \frac{3}{4} -x = x- \frac{1}{5} -x = \frac{3}{4} =\frac{1}{5} =\frac{3}{4} - \frac{3}{4} =\frac{1}{5} - \frac{3}{4} [/tex][tex]=\frac{-19}{20}[/tex]