SubArea: Systems of linear equations and inequalitiesLevel: BProject ID: 2000019006Accepted: 0Clonable: 0Easy: 0The coefficient matrix of a system of three linear equations with three unknowns is: (1213−5210−3). What is the column of the right sides if the solution is the ordered triple [−7;2;−1]?(−4−33−4)(−2−33−4)(−4−31−4)(−4−33−10)
