Respuestas

2013-05-20T19:59:38+02:00
  • Usuario de Brainly
2013-05-20T20:16:04+02:00
(x -1) / 2 = 5
x - 1 = 5 .2
x - 1 = 10
x = 10 +1
x = 11


espero que te dirva, salu2!!!!