Erinkim7172 Erinkim7172 23-05-2023 Mathematics contestada Express the following system of equations in matrix form and use Cramer's rule to solve for X1, X2, and X3. 2X1 + 3x2 + x3 = 1 3X1 + X3 = 2 X1 + 2x2 + 3x3 = -2 Is the coefficient matrix for the system above singular or non-singular?
