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Solve the system using Gaussian elimination or Gauss-Jordan elimination. -3 x - 3 y - 3 z =30 -9 x - 9 y - 9

Solve the system using Gaussian elimination or Gauss-Jordan elimination.

-3x- 3y- 3z=30

-9x- 9y- 9z=90

-1.5x- 1.5y- 1.5z=15

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