Respostas

  • Usuário do Brainly
2013-09-19T10:25:02-03:00
*x+y=6 
x=y+2

*x+y=6 
y + 2 + y =6
2y +2 =6
2y= 6-2
2y=4
y=4/2
y=2

x=y+2
x= 2+2
x=4

S=(4,2)
5 5 5
2013-09-19T10:27:20-03:00
X+y=6 
x=y+2
x+y=6 
y + 2 + y =6
2y +2 =6
2y= 6-2
2y=4
y=4/2
y=2
x=y+2
x= 2+2
x=4
S=(4,2)
9 4 9