# 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.