4 x 7 13 July 8, 2019 16 32 64 128 4 * x 130 7 50 5 = - 4/7 x + 13 4 7 x 8 13 X 4x 7 13 13 4 x 7 9 7x 4 x =- 1 13x 7 4 x 2 )/ 5 7 5x 13 3 4 7 x 1 13 15 3 13 4 7 x 91 7 3x 4 x 2 13 3 4 x 7 13 2 4 7 x 13 12 2 4 7 x 13 12 as a fraction 4 7 x 6 13 X 4x 7 13 verificacion