2x 1 12 x 1 3 3x 1 4 July 8, 2019 16 32 64 128 Solve 2x 1 12 x 1 3 3x 1 4 5x 4 3x 8 39 8 2x 1 12 x 1 3 3x 1 4 1 x 1 2 x 2 2 x 13
