Question

Alguem ajuda por favor. Resolver o sistema:
x + 2y + 3z = 9
2x -y + z = 8
3x - z = 3
a)x=22, y=19/, z=-15/2
b)x=22, y=-19/2, z=13/2
c)x=12, y=19/2, z=15/2
d)x=10, y=22, c=19/2

Answer 1

Resposta: x=22, y=19/2, z=15/2