3 2x 1 2 x 2 7 4 9 July 8, 2019 16 32 64 128 2 7+3x=9(x-2 1) 3 1/2 * (2/3 * x + 4/7) = 2 1/3 2 ⋅ 3 2 x + 1 − 7 ⋅ 6 x + 2 ⋅ 4 x 3 ⋅ 9 x − 3 x ⋅ 2 x + 1 ≤ 1
