Respuestas

2012-10-12T02:48:02+02:00

 2/3 x-(1-(x-3)/2)+1=x

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

2/3 x-(4-x)/2)+1=x

[4x-(12+3x)]/2=x-1

(x-12)=2x-2

x=-10