Respuestas

2012-06-28T01:20:27+02:00

aver...!!

 

10y - 4 = 4

10y= 8

y= 4/5

 

REEMPLAZANDO Y:

2X + 4(4/5) = 4

2X +16/5 = 4

2X= 4/5

X=4/10

X= 2/5

 

=D