Full answer: In Exercises 21-38, solve each Jystem of eqmttions using matrices. Use
Chapter 6, Problem 30(choose chapter or problem)
In Exercises 21-38, solve each Jystem of eqmttions using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. 2t+ y - z+l2t - I + 3y - zx + y - 3z - - 2 x + y +z - 4
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