Answers

2016-08-02T20:15:54+08:00
Let : x ..be the first number;
      y....be the 2nd no.

x-y=27;
x+y=75;
---------
2x  =102;
x=51  1st number    ans...;
y=75-51;
 =24 ans;

checking;
x-y=27;
51-24=27;
   27=27
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