1) x>2 x<9 -------- 2) x<-4 x>-8 ------------- 3) 5x-12>x x-15>3x+1 -------------- 4) ...

Question

1)
x>2
x<9<br> --------


2)
x<-4<br> x>-8
-------------


3)
5x-12>x
x-15>3x+1
--------------
4)
5(x+1) <2 (2x+1)<br> 3x+2<-1

Answer 1

1.
4>2
3<9<br>
2.
-6<-4<br>-6>-8

3.
5*5-12>20
20-15>3*1+1

4.
5(1+1)<2(2*8+1)<br>3*-6+2<-1