Line segments can be split into several subsegments.
The values of x, AB and BC are 13, 10 and 20, respectively.
The given parameters are:



The above parameters means that:

So, we have:

Collect like terms


Divide both sides by 5

Substitute 13 for x in
and 







Hence, the values of x, AB and BC are 13, 10 and 20, respectively.
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