X 2 5 3 7 July 8, 2019 16 32 64 128 2 х 5 3 7 X 2 5 1 3 7 2 x 5 )+ 7 =- 3 2x 6 1 2 x 5 3 =- 7 4 2 x 5 )+ 3 4x 7 2 x 5 )= 3 2x 7 2 5 x 3 7 as a fraction 7 x 2 )+ 5 3 2x 1 )+ 1 13 21 x 2 5 7 3 14 2 5 x 3 75 2 x 3 5 4 7 2 x 5 )+ 3 x 6 )= 7 5 x 2 3 72 2 x 3 5 3x 7 6 1 2 x 5 3 7