In Exercises 35, solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan
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In Exercises 3–5, solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.
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x + 2y + 3z = 2x + y + x + y - || z = z || -5 1 8
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