Respuestas

2012-07-06T19:15:14+02:00

x 120/180=2x/3

120/180 x + (-120/180)x = 2x .1/3 + (-120/180)x

0 = x[1/3 + (-120/180)]

0 = -1/3 x

0 = x

 

Saludos espero qu e te sirva es la resolucion


2012-07-06T20:29:48+02:00

120/180= 2x/3

sacas 60ava

2/3=2x/3

siplificando x = 1