5x 7 4x 13 July 8, 2019 16 32 64 128 5x y 7 4x 13y 1 9x 13 5x 7 4x 2 4x 7 )= 13x 5x 14 7 4x 1 )- 3x 5x 13 5 x 7 = 35 5 x 7 x4 5 x - 7 = 13
