Question 275482
-9 + 4x < 2x - 3
-9+3<2X-4X
-6<-2X
-6/-2>X [NOTE THE SIGN CHANGES WHEN DIVIDING BY A NEGATIVE VALUE]
3>X ANS.
PROOF:
LET X=2.9
-9+4*2.9<2*2.9-3
-9+11.6<5.8-3
2.6<2.8