lg ( 4x-2 ) =5 lg 2-3
lg ( 4x-2 ) =lg 2^5-lg1000
lg ( 4x-2 ) =lg 32-lg1000
lg ( 4x-2 ) =lg 0,032
4x-2=0,032
4х=2,032
х=0,508
lg ( 4x-2 ) =5 lg 2-3
lg ( 4x-2 ) =lg 2^5-lg1000
lg ( 4x-2 ) =lg 32-lg1000
lg ( 4x-2 ) =lg 0,032
4x-2=0,032
4х=2,032
х=0,508