Respuesta :

tramserran

Answer:  No Solution

Step-by-step explanation:

8 = A + B                                  13 =  A    +   C

6 =              C + D                      8 =        B   +    D

14 = A + B + C + D                     21 = A + B + C + D

The sum of A, B, C, and D cannot equal 14 and also 21 so there is

NO SOLUTION

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