SOLUTION: find 2 numbers with a sum of 40 and a difference of 2

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Question 715103:

find 2 numbers with a sum of 40 and a difference of 2
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=40
X-Y=2 ADD.
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2X=42
X=42/2
X=21 ANS.
21+Y=40
Y=40-21
Y=19 ANS.
PROOF:
21-19=2
2=2