Respuestas

2013-06-06T16:30:27+02:00
(3x+4)/5+(2x+5)/5=(6x+3)/154+2

(3x+4+2x+5)/5=(6x+3+2*(154))/154
(5x+9)/5=(6x+311)/154
154*(5x+9)=5*(6x+311)
770x+1386=30x+1555
740x=169
x=169/740