Respostas

2014-07-20T19:50:12-03:00
Y+2+y=6
2+2y=6
2y=4
Y=2

X=2+2
X=4
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2014-07-20T19:50:36-03:00
{x+y = 6
{x = y + 2

{y+2 + y = 6 
{--------------------

{2y = 4 
{ ---------------

{y = 4/2
{ ----------------------

{y = 2
{x = 2 + 2 

{y=2
{x=4





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