Question

solve the system using either Gauss an e mination with back-substitution or Gauss Jordan e mination. I there ls no solution, en er NO SOLUTION there are an nfinite number of solutions e and solve ore and se e, x1-3x3 =-7 3x1 + x2-2x3 =-4 2x1 + 2x2 + x3=-1 (x1, x2, x3)-( | | Need Help? Tk toa Tutor Submit Answer Save Proress Practice Another Version

Answer 1

step 1:First we write system in matrix form

step 2 : write augmented matrix[A/B]

step 3: Use Gauss elimination method i.e elementary row transformation to convert matrix A to an upper triangular matrix

and use back substitution method to find unknowns.

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