Solve 3x 9 4x 12 5x =- 19 July 8, 2019 16 32 64 128 12 - 4(x - 3) = 39 - 9x 4 * 9 ^ (1 - 5/x) - 91 * 12 ^ (- 5/x) + 3 * 4 ^ (2 - 10/x) = 0 3 x 3 = 9
