2x 3y 9 x y 4 July 8, 2019 16 32 64 128 3x 2y 10 2x 3y 9 x y 4 X 3y 9 2x y 4 metode eliminasi Begin cases x 3y =- 9 2x y 4 end cases 9 x y 1 2 4 2x 3y 1 2 2x 3y z 9 4x y 7 x 3y 7z 6 Solve for x and y 2x 3y 9 4x 6y 15 X 3y 9 dan 2x y 4 2x + 3y