Respostas

2013-08-14T17:04:10-03:00
A- x=6

b- x= 18/3 =6

c- x=2

d-x= 4

f- x=10

g- x= -11

h x= 2

i x=0
1 5 1
3x=19-1
x=18/3
x=6
e assim por diante
agr entendi,mto obg :)