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![Aqui Alberttttttttttttttttttttttttttttttttttttttttttttttttttttttttt class=](https://pt-static.z-dn.net/files/dcf/0a4c810b1011df1f459b3c73a5ce20e2.png)
Vamos là.
seja o seguinte sistema
x - y/2 = 1
x + y = 1
2x - y = 2
x + y = 1
adição
3x = 3
x = 1
1 + y = 1
y = 0
S = (1,0) (A)
outra imagem
a) V
b) F
c) V
d) F
e) V