5 5 7 4 2 July 8, 2019 16 32 64 128 5 5 7 4 1 2 5 7 4 21 5 7 4 2 3 5 7 5 4 divided by 2 5 7 4 2 8 5 7 4 20 5 7 4 2 9 5 5 7 1 3 5 x 4 2 3 7 5 2x =- 4 5
