Respuestas

2014-02-16T20:50:21+01:00
2x = 19+5(x+2)
2x = 19 + 5x +10
2x -5x = 19+10
-3x = 29
x = -29/3
2014-02-16T21:01:40+01:00
Alfonso,[email protected]*-&:3&)