2x 3 x 1 6 7x 1 4 2 1 6 July 8, 2019 16 32 64 128 2x 7 (2 * 3 ^ (2x + 1) - 7 * 6 ^ x + 2 * 4 ^ x)/(3 * 9 ^ x - 3 ^ x * 2 ^ (x + 1)) = 1 2) 1/2 * (4x - 2) = - 7 4) 3(x + 6) = 2(x - 3) 3) 5/6 * x + 3 = 1/6 * x 821. 1) - (2x + 1) = 1 - x
