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  • 25-04-2019
  • Mathematics
contestada

What is x, y and z? show your work

x - y + 9z = -27

2x - 4y - z = -1

3x + 6y - 3z = 27

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vedzzy
vedzzy vedzzy
  • 25-04-2019

Answer: z = -3 , y = 2 , x = 2

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