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Mystery numbers A=B+5. B=C+7. C=the difference between 13 and 9. D=A-B​
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Mystery numbers A=B+5. B=C+7. C=the difference between 13 and 9. D=A-B​

User Ugnes
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13-9=4 So, C=4. B=4+7 (Which is 11) A=11+5 (16) So, D=16-11 Which will give you the answer of 5
User Dan Eden
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