Respuestas

2013-05-11T23:42:11+02:00

|(3x+2/2x+1)|=3
3x + 2 = 3( 2x + 1 )
3x + 2 = 6x + 3
|3x - 6x| = 3 - 2
|-3x| = |3x| = 1
x= 1/3