The numerical value of CD is 7
The given parameters are:
CD = x
DE = 7
CE = 2x
To calculate the length CD, we use the following equation
CE = CD + DE
Substitute the known values in the above equation
2x = x + 7
Evaluate the like terms
x = 7
Substitute x = 7 in CD = x
CD = 7
Hence, the numerical value of CD is 7
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