Respuestas

2012-10-18T18:51:35+02:00
2012-10-18T20:39:44+02:00

un numero x

 

x/6+33=2x

[x+6(33)]/6=2x

x+198=2x*6

x+198=12x

198=12x-x

198=11x

198/11=x

18=x