Respuestas

¡La mejor respuesta!
2012-08-24T05:52:26+02:00

5x + 1 – [1 + 2(x – 1)] = 3[1 – (2x – 3)]
5x + 1 - [1 + 2x - 2] = 3[ 1 - 2x + 3]
5x + 1 -[ 2x - 1] = 3 [ 4 - 2x]
5x + 1 - 2x + 1 = 12 - 6x
5x - 2x + 6x = 12 -1 -1
9x = 10
x = 10/9

x=1.1 periodico