2(1 5 - x) = 7 July 8, 2019 16 32 64 128 2 1 5 x 7 2 1 5 x 7 8 2 1 5 x 75 1 2 x 5 7 as a fraction 2 1 5 x 2 7 9 2 5 1 7 x 3 2 1 5 x 3 4 7 2 1 4 x 5 7 2 1 10 x 5 7 2 1 4 x 5 7 8 1 2 x 3 5 x 7 8 6 1 2 x 5 7 8 2 x 1 )= 5x 7 2 1 5x =- 7