Sal solves a linear system with 3 equations and 4 variables by representing it with an augmented matrix and bringing the matrix to reduced row-echelon form.
Our solution is (1,2), the easiest way to check if we are right is to plug our values into our original equations. Get step-by-step solutions from expert tutors as fast as 15-30 minutes. Calculate determinant, rank and inverse of matrix Matrix size: Rows: x columns: Solution of a system of n linear equations with n variables. Solve Systems of Equations instantly by elimination or substitution methods. Solving a system of 3 equations and 4 variables using matrix row-echelon form.
Matrices could be used to solve systems of equations but first one must master to find the inverse of a matrice, C -1.Ī matrices C will have an inverse C -1 if and only if the determinant of C is not equal to zero. Correct answer - Find the solution set of the system of linear equations represented by the augmented matrix.
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