Use the method of Gauss-Jordan elimination (trails—forming (lie augmented matrix into reduced echelon form) to solveProblem in Section 3.2In Problems, use elementary row operations to transform each augmented coefficient matrix to echelon form. Then solvethe system by back substitution2x1+4fl—x3—2x4+2x5=6x1+3x2+2x3—7x4+3x5=95x1+8fl—7X3+6x4+x5=4