Question 770689: given that A,B,C and D are whole numbers such that A+B=8, B+C=11,B+D=13 and C+D=14, find the values of A,B,C and D.
Found 2 solutions by Cromlix, tommyt3rd:
Answer by Cromlix(4381)   (Show Source):
You can put this solution on YOUR website! B + C = 11
B + D = 13
Subtract
C - D = -2
C + D = 14
Add
2C = 12
C = 6
B + C = 11
B + 6 = 11
B = 5
A + B = 8
A + 5 = 8
A = 3
B + D = 13
5 + D = 13
D = 8
A = 3, B = 5, C = 6, D = 8
Hope this helps>
:-)
Answer by tommyt3rd(5050)  (Show Source):
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