Respuestas

2012-08-10T04:24:57+02:00

ya miraa.. la resolucion seria asi:

 

                        3x-2+5-4x= 15-x-5x-6

                                    5x=6

                                      x=6

                                          5

2012-08-10T06:07:35+02:00

3x-4x+x+5x=2-5+15-6

             5x=6

               x=6/5