Respuestas

2013-11-11T16:12:19+01:00
X/6 + 5 = 1/3 - x 
x/6 + x = 1/3 - 5
(x+6x)/6 = (1-15)/3 
7x/6 = -14/3 
7x = (-14/3) · 6
x = [(-14/3) · 6] / 7
x = -28/7 
x = - 4
10 4 10