Respuestas

2012-06-12T03:29:30+02:00

por pitagoras

 


  2          2          2

x + (2x+2)= (3x-2)                             m=cscteta + ctgteta

  2         2                   2                     m=13/5+12/5

x  + 4x +4 + 8x =9x  + 4 - 12x              m=25/5

   2             2                                     m=5

5x  + 8x =9x  -12x                   

          2

20x=4x

x=5