Question: Solve the system using either Gaussian elimination with back-substitution or Gauss-Jordan elimination. z, and w in terms of the parameters t and s.) 4x+12y7z

Solve the system using either Gaussian elimination with back-substitution or Gauss-Jordan elimination.

Solve the system using either Gaussian elimination with back-substitution or Gauss-Jordan elimination. z, and w in terms of the parameters t and s.) 4x+12y7z - 20w = 28 3x + 9y5z28w = 36

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