log1/3(x+23)<=-2 log1/140(2x+19)>=log1/140(4x+3) log3/4(2x-5)>=log3/4x помогите пожалуйста log2(3x+4)>=1 log2/4x>9log4 9-2x/x+2<0
log1/3 (x+23)<=log1/3 9 x+23=>9 x=>-14 log1/140 (2x+19)=>log1/140 (4x+3) 2x+19<=4x+3 -2x<=-16 x=>8 log3/4 (2x-5)=>log3/4 x 2x-5<=x x<=5 log2 (3x+4)=>1 3x+4=>2 3x=>-2 x=>-2/3