1 2 7 9 x 4 2 5 x July 8, 2019 16 32 64 128 1 4 5 x 2 2 7 x 10 9 1 7/9 / x = 5 4/9 / 2 5/8 1 − 7 ( 4 + 2 x ) = − 9 − 4 x 1 7 - 9 2 / 1 2 1 - 2 = 4
