6 7 x =- 5 28 July 8, 2019 16 32 64 128 5 6 4 7 x 28 36 2x 5 7 x 6 3x 28 39 2x 5 7 x 6 3x 28 6 x 7 5 x 8 28 5 x 7 = 35
