carla72 carla72
  • 30-03-2021
  • Mathematics
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4w + x + 2y - 3z= -16
-3w + 3x - y + 4z = 20
-W + 2x + 5y + z= -4
5w + 4x + 3y - z= -10
elimation​

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TcScott17
TcScott17 TcScott17
  • 30-03-2021
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