Respuestas

2014-03-03T21:12:50+01:00
(-35x+20)/4 + (6/1)= (6x+15)/4-12/4
(-35x+20+24)/4=(6x+15-12)/4
-35x+44=6x+3
-35x+44-6x-3=0
-41x+41=0
x=1