64x = 1/2 64x = 1/21 (26)x = 2-1 26x = 2-1 6x = -1 x = -1/6 ----------------------- x4/3 = 625 x4/3 = 54 (x4/3)3/4 = (54)3/4 x1 = 53 x = 125 Edwin AnlytcPhil@aol.com