SOLUTION: The sum of two numbers is 33. Their difference is 7. What are the two numbers?

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Question 112051: The sum of two numbers is 33. Their difference is 7. What are the two numbers?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=33
X-Y=7 NOW ADD THESE 2 EQUATIONS
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2X=40
X=40/2
X=20 ANSWER.
20+Y=33
Y=13 ANSWER.
PROOF
20-13=7
7=7