1
1)-5x>-4,5
x<0,9<br>__\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\______
0,9
2)5,2x-2x>-8+1,6
3,2>-6,4
x>-2
_______//////////////////////////////////////_
-2
3)24x+16>21+14x
24x-14x>21-16
10x>5
x>0,5
_______//////////////////////////////////////_
0<5<br>4)9x/5<-1,6<br>9x<-8<br>x<-8/9<br>_\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\______
-8/9
2
(2x-3)/6<(4x+1)/7<br>7(2x-3)<6(4x+1)<br>14x-21<24x+6<br>24x-14x>-21-6
10x>-27
x>-2,7
x=-2