In Exercises 2138, solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan
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In Exercises 21–38, solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.
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w + x + y + z = 5 w + 2x - y - 2z -1 W 3x - 3y - z = z -1 2w x + 2y z = -2 - =
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wxyz5 w2xy2z 1 w3x3yz 1 2wx2yz2 1 1 1 1 2 1 2 1 1 3 ...View the full answer
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