4y 8 2y 10 July 8, 2019 16 32 64 128 10y 8 2y 4y 22 5y 10x 4y =- 8 5x 2y 10 10 4y 8 2 2y 2 10 y 15 4y 8 2y 15 10 4y 8 2 2y 1
