3 7 x 5 3 7 July 8, 2019 16 32 64 128 3 7 x 5 3 x 7 11 3 7 x 3 5 x 7 8 3 7 1 4 x 5 3 7 4x 7 3 4 x 3 5 7 X 7 5 3 7 4 1 X 3 7 =- 1 5 3 7 3 7 x 2 3 x 5 7 7 6 x 3 5 x 3 7 6 5 x 3 7 1 5 x 3 7 5 x 7 = 35 3 x-5=x+3 3/7 x 5