If each term of an inequation is multiplied or divided by a negative number , then the sign of inequality does not change
False
When any inequation is multiplied or divided by a negative number , then the inequality sign changes
Example -2x + 3 >9 ;
-2x > 9-3
-2x > 6
-x > 3 :
dividing by -1 ,
we get x < -3