7 1 2 x 1 5 6 July 8, 2019 16 32 64 128 7 1 2 x 4 5 6 7 8 1 2 x 5 6 3 7 x 2 1 6 5 1 3 2 3 1 7 x 5 6 1 12 7 4 x 5 6 1 2 1 3 7 1 5 x 2 1 6 as a fraction 2 (- 1 x )- 7 1 x )= 6x 5 4x 7 2 x )- 5 x 1 )=- 6x 1 X 1 2 6 1 x 5 7 10