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 = 2w x + 2y - z = w 2x y 2z - - 2z 3w+ 2x + y + 3z 4 0 = -2 4 =
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wxyz 2wx2yz 4 0 2 4 1 1 1 4 1 2 1 0 2 1 2 2 2 1 3 4 1 1 01 ...View the full answer
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