Respuestas

2012-03-20T20:33:40+01:00

2 - (x-1)/2 = x/3

12-3(x-1)=2x

12-3x+3=2x

5x=15

x=3

2012-03-20T20:42:11+01:00

12/6 -(3x-3)/6= 2x/6 >>>> 12 -(3x -3)= 2x >>>>>-3x +15= 2x >>>>>>>-2x-3x= 15

 >>>>>-x= 3