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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x + y + z = 4 x-y-z = 0 x = y + z = 2
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xyz4 xyz0 xyz2 14 1 1 1 0 1 1 2 Replace row two with R R Rep...View the full answer
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