Question 1148026
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Go to website www.reshish.com  (it is free of charge and free of registration (!) )



Go further to its section "Jordan-Gauss elimination"

     https://matrix.reshish.com/gauss-jordanElimination.php



Input your extended matrix and press the "SOLVE" button.


You will get the solution in a second with the most detailed step-by-step explanations, if you want.
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