4(1+x)>х-2 -2(2х+1) <3(х+2) 4(1-х)+5(х+8)>0

Question

4(1+x)>х-2

-2(2х+1) <3(х+2)<br>
4(1-х)+5(х+8)>0

Answer 1

1. 4+4х>х-2
4х-х>-2-4
3х>-6
х>-2
2. -4х-2<3х+6<br> -4х-3х<6+2<br> -7х<8<br> х>-8/7
3. 4-4х+5х+40>0
-4х+5х>-4-40
х>-44