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1) Simpliy Question is a = b -c => a+c =b or -a = b-c => c-a = b It is a 2 part question a+c =b? or c-a=b? 2) Evaluate 1. Insufficiant We dont know if c-a = b 3) Evaluate 2. Insufficient we dont know the value of a and b 4) Evaluate 1 and 2 together 1. a+c != b 2. a is -ve so c-(-a)=> C+a =b? 1 says it is not Sufficient to answer that |a|!=b -c

If a = -1, b=0, and c=0, then both statements are true, and the answer to the question is 'no'.

If a = -1, b = 1 and c = 0, then both statements are true, and the answer to the question is 'yes'.

The answer is E. _________________

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Thank you for the example Ian. I thought it was E as well, and wanted to see if I was missing something.

This question comes from Jeff Sackmans extreme challenge. He has C listed as the answer. I'm going to shoot him an e-mail and see if he responds. Looks like an error.

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