SOLUTION: The sum of two numbers is 36 and the difference is 6 . What are the numbers?

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Question 278528: The sum of two numbers is 36 and the difference is 6 . What are the numbers?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=36
X-Y=6 ADD.
---------------
2X=42
X=42/2
X=21 ANS.
21+Y=36
Y=36-21
Y=15 ANS.
PROOF:
21-15=6
6=6