3y 8 4y 7 July 8, 2019 16 32 64 128 3y 8 6 1 4y 7 2x 3y 8 x 4y =- 7 8 3y 2 4y 7 )/ 5 3y 6 4y 7 =- 8 2x 3y 8 0 x 4y 7 0 8 4y 10 3y 7 2x 4y 8 7x 3y 61 5x 4y 8 3y 7 6y 7 3y 4y 8 2y 2y 8 3y 7 4y 6