Summary inequalities

1. Greater than is `>`

2. Less than is `<`

3. Greater than or equal to is `>=`

4. Less than or equal to is `<=`

5. What you do to one side you must do to the other

6. What you do to one side you must do to all 3 sides

7. If you divide by a negative FLIP the inequality sign both for two part and three part inequalities

8. You cannot divide by a variable you do not know

9. If your variable `x` is on the right and you want it on the left then flip the inequality.