You can put this solution on YOUR website!
Many have a problem in inequalities.
you must have solved equations. making x the subject etc.
when you get an inequality (<=) (>=)(<)(>)
just continue with the opeartion as if you are solving an equation, except just put the same sign which was originally present .
one practical hint
whenever you divide the inequality by a negative number just reverse the signs in the inequality.
> becomes <
Try it out if not get back to me