3 5 x 15 8 July 8, 2019 16 32 64 128 4x 3 x x 15 8 5 1 3 1 5 x 8 15 7 15 11 5 80 x 15 3 4 2 x 5 8 15 3 3 5 2 5 x 15 8 3 3 4 x 5 8 15 3 5 7 8 15 x 31 26 5 x 3 3x 8x 15 6x 5 x 3 3x 8x 15 6x how many solutions 3 4 x 5 9 x 8 15 3 x 5 8x 5x 15 X 5 y 3 8 =- 15 48 812x 5 3 3 x 15 6x 5 x x 15 8 3