4 x 2 7 ) 27 =- 12x 2 July 8, 2019 16 32 64 128 4 x 2 7 )+ 27 =- 12x 2 2x 7 4 x 2 7/12 4 2/7x = 1 8 ^ x - 4 * 27 ^ x 12 ^ x
