15 x 7 1 3 July 8, 2019 16 32 64 128 1 15 х =- 7 3 7 x 1 )- 3 2x 1 )=- x 15 1 3 7 15 x 63 y 15 2 3 x 3 7 3 5 1 3 15 x 5 3 7 1 15 7 x 1 3 as a fraction 4 14 15 x 1 7 38 15 1 2 x 7 3 4 3 x 1 )- 7 15 resposta 3x x 1 )- 7 15 3 x 7 = 15 7x x 1 )/ 3 2 x 1 7 x 15 3 7 x 1 15 3x 1 8 X 3 1 7 15 class 8 X 3 1 7 15 solve and check