Stephanie22111 Stephanie22111
  • 19-03-2018
  • Mathematics
contestada

What is the solution to the system of equations?
{2x + y - z = 7
{-x - 2y - 2z = -9
{x + 3y - 3z = 6
A: (3, 2, 1)
B: (3, 2, -1)
C: (-3, 2, 1)
D: (3, -2, 1)

Respuesta :

calubsayer calubsayer
  • 19-03-2018
i think B hope this helps!

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Baily111
Baily111 Baily111
  • 22-03-2018
The answer is B hope this helps
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