13 4 x 2 5 July 8, 2019 16 32 64 128 13 4 х 7 2 11 5 4 x 2 )/ 5 7 5x 13 X 2 5x 13 4 0 5x 13 =- 2 x 4 13 4 2 1 )= 5 x 2 5x 4 x 2 )= 6 13 13 4 x 5 2 as a fraction 13 4 3 2 x 5 17 13 4 2x 1 )= 5 x 2 X 4 2 )= 5x 12x 13 X 4 13 6 5x 2 5 6 4 2 x 13 9 4 2 x 5 9 7 13 x 2 8 4 5 2x + 3y = 13 4x + 5y = 23