SOLUTION: The sum of two numbers is 80 and their differences is 20.find the numbers.

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Question 864934: The sum of two numbers is 80 and their differences is 20.find the numbers.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=80
x-y=20
x=y+20
------------
y+20+y=80
2y=80-20
y=60/2
y=30
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x+30=80
x=50
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x-y=20
50-30=20