Log3 2x 4 log3 x 2. Log 4(1- 2x)=2 log 78. Log5 (x 2 -4x) >1. Log_4(3х-4)=log_4(x+1). Log2(log2x)=1. Log3 (2x – 5) х-2 = x-2. Log7 x2+3x-4