Answers

2014-01-18T21:48:38+01:00
Let the unknown nos be A & B
A-B=10
(6A+A)-B=4
7A-B=4
-7A-B=4 ..... (2)
-6A=6
A=-1
Putting A=-1 into (2) 
-7-B=4
B=-11
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