Exercises and Problems

The following Sage code generates a system of \(\,n\,\) linear equations in \(\,n\,\) variables \(\\\) (initially \(\,n=3\)) \(\,\) with a unique single solution and displays that solution.

Exercise. \(\,\) Apply the elimination method to solve by hand and/or by computer an obtained system of three or four equations. Check your result by comparing it with the solution provided by the program.