Respuestas

2013-05-22T01:36:07+02:00
X/2 - 3x/5 = x-6/ 2
5x-6x/10 = x-6/2 
-x/10 = x-6/2 
-2x = 10x-60
-2x - (-10x) = 60
12x = 60
x = 60/12
x= 5