2. 5x -4y a) Solve for x and y based on Cramer's Rule of Determinants: 3x + 2y 5, Answer: x 1, y = 1 b) Solve for x and y based on Matrix Inversion: x - 2 y = - 4, 4x y = 5 Answer: x 2, y = 3 c) Solve for x, y, and z: Answer: x = -1, y = 1, z = 2 3x-3y + 2z= - 2 x+2y - z-1, 3, 2x - y + 3z

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