Is there any rules to be followed with the sign like switch the sign if it is negative?
INEQUALITY:
If you have,
then, the sign of inequality is switched if you multiply or divide both sides with a negative number (here, we divide both sides by -2)
ABSOLUTE INEQUALITY:
If you have
then
and
If you have
then
and
and
did you get it??? Mention the exact math-problem or question that you have trouble with.