Self Review of Basic Inequalities on a Number Line
Type in <= to get and >= to get
To solve 2x + 3 <= 4x - 3 AND x + 5 >= 3x - 5 , type in && for AND.
For x < 2x + 3 x + 15 type in as x < 2x + 3 && 2x + 3 <= x + 15
This system does not solve for OR cases.