Question: (a) Make up a consistent linear system of five equations in five unknowns that has a lower triangular coefficient matrix with no zeros on or

(a) Make up a consistent linear system of five equations in five unknowns that has a lower triangular coefficient matrix with no zeros on or below the main diagonal.
(b) Devise an efficient procedure for solving your system by hand.
(c) Invent an appropriate name for your procedure.

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