You solve them like any other algebra problem!
Ex;
3x > 9
You are allowed to divide, multiple, add and subtract numbers. There is one HUGE thing that can get in your way. The > sign may change if you divide/multiply. That will only be when the number you are dividing / multiplying by is a negative number.
So.
3x > 9
x > 3
Meaning x has to be greater than 3.
Just think of the inequality sign as an equal sign when you are working with a problem.
So problems like:
3x > 9
Become
3x = 9
Just don't forget the negative rule, or forget to put your inequality sign back!
Hope I helped!