Straight lines can be divided into different segments
The value of DE is 23 units
We have:
[tex]DF = 35[/tex]
[tex]EF = 12[/tex]
Segment DF and EF have the same endpoint.
This means that, point E is located on segment DF
So, we have:
[tex]DF = DE + EF[/tex]
Substitute known values
[tex]35 = DE + 12[/tex]
Collect like terms
[tex]DE = 35- 12[/tex]
[tex]DE =23[/tex]
Hence, the value of DE is 23 units
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