Respostas

2013-04-14T21:56:05-03:00

resoluçao do X :

m=x1+x2/2 

-3=-6+x/2

multiplica cruzado:

-6=-6+x

-6+6=x

x=0

 

resoluçao do y:

m=y1+y2/2

-2=y-8/2

multiplica cruzado:

-4=y-8

y=-4+8

y=4

4 5 4