4 5x 16 2x 1 July 8, 2019 16 32 64 128 Solve 4 5x 16 2x 1 5x 4 2x 2 16 10 x 2 16 5x 4 7x 12 2x 17x 4 2x 16 5x 60 4x4 = 16 4 x +5 2 16 4 16 4-5 4x=14 78 4 5 x 16