Respuestas

2012-03-20T20:24:33+01:00

x-2/5x+540=x-86

x-x-(2/5)x+540+86=0

(2/5)x=-626

2x=-626/5

x=-125.2x2

x= -250,4

2012-03-20T20:40:51+01:00

 

x-2/5x+540=x-86

x-x-(2/5)x = -86 -540

-(2/5)x=-626

 

     -x = -626 ·5/2

     - x = -1565

       x = 1565