SubArea: Systems of linear equations and inequalitiesLevel: BProject ID: 2010006702Source Problem: 9000019907Accepted: 0Clonable: 1Easy: 0The augmented matrix of a system of three equations with three unknowns is row equivalent with the following matrix A′. Find the solution of the system. A′=(2317034000545)[17;−12;9][12;10;−9][−19;12;9][7;0;45]
