16 в степени х-3 = 1/2
16=2^4 1/2=2 в степени -1
16 = 2 ^ 4 1/2 = 2 ^ ( - 1 ) ----------------- ( 2 ^ 4 ) ^ ( X - 3 ) = 2 ^ ( - 1 ) 4 * ( X - 3 ) = - 1 4X - 12 = - 1 4X = 11 X = 11/4 X = 2,75