2x 1 x 3y 2 y 5 July 8, 2019 16 32 64 128 1 2x 3y for x =- 2 and y =- 5 2x 3y 5z 1 x y z 2 2y z 8 2x 1 5 3y 2 3 vĂ x y 2 X 3y 2 5 4 2x y 2 1 2x 2y =- 2 x y =- 1 3x 3y =- 5 X 3y 2 5 4 2x y 2 1 igualacion 2x + 3y