X 3y 9 2x y 4 July 8, 2019 16 32 64 128 X 3y 9 2x y 4 metode eliminasi Begin cases x 3y =- 9 2x y 4 end cases 3x 2y 10 2x 3y 9 x y 4 X 3y 9 dan 2x y 4
