1)x+2<5x-2(x-3)<br> x+2<5x-2x+6<br> x+2<3x+6<br> x-3x+2-6<0<br> -2x<4<br> x>-2
2)3(1-x)-(2-x)<=2<br> 3-3x-2+x<=2<br> -2x<=1<br> x=> -0,5
3)4(x-1)-(9x-5)=>3
4x-4-9x+5=>3
-5x+1=>3
-5x=>2
x<= -0,4<br>4)4(x+8)-7(x-1)<12<br> 4x+32-7x+7<12<br> -3x+39<12<br> -3x<-27<br> x>9
5)3(x-2)-5(x+3)>27
3x-6-5x-15>27
-2x-21>27
-2x>48
x< -24