Final answer:
Without additional context explaining how bar (BE), bar (AE), and bar (DE) relate to each other, it's not possible to calculate bar (CE). Additional information about the geometric or algebraic relationships is required to solve the problem.
Step-by-step explanation:
The question involves finding the length of bar (CE) given the lengths of BE, AE, and DE. To find bar (CE), we need to use the given segments' lengths and appropriate geometric properties or algebraic expressions. However, without additional context or information about how these segments relate to each other (such as if they are part of a triangle, a line, etc.), it is not possible to provide a definitive answer.
In mathematics problems like these, the solution generally requires a relationship or equation including the desired segment. For example, if BE, AE, and DE were parts of a triangle or if there is a line segment connecting those points, then the properties of triangles or linear segments could have been used to calculate the length of CE. Unfortunately, without this specific information or a diagram, we cannot proceed with a calculation.