6 5y 2 July 8, 2019 16 32 64 128 6 5y 2 3y 6 5y =- 24 6 5y 26 6 5y =- 29 6 5y 21 6 5y 2 3 4y 6 5y 2 10 6 2x 5y 5y 6 2y 5y 6 2 81 5y 6 2y 1 10y 6 (- 5y 2 7y 6 5y 2 X 5y 6 2x 3y 5 5y 6 =- 20