2x 10 4 x 2 July 8, 2019 16 32 64 128 5 2x 4 10 x 2 2x 3 5 4 10 x 4 25 10 2x 4 2x 1 x 2x 5y 10 x 2y = 4 2x 4 2x x 10 2x log5 29 * 10 x 1 4 x 2x 4 x 2 10 0 2x 10 4x 20 10 2 2x 1 )= 4 x 2 2 2x 1 )= 10 4 x 3 2x 10 x 4 21 2x 4 10 2 x 15 2x 4 10 2.5 x 2x 10 4x 20 180 2x 10 4x 22