SOLUTION: the sum of two numbers is 80 their difference is 12. what are the numbers

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Question 347438: the sum of two numbers is 80 their difference is 12. what are the numbers

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Let's call them x and y.
So we have
x + y = 80
and
x - y = 12
We can add the equations together and get
2x = 92 (notice the y's cancel out)
x = 46
and
46 + y = 80
y = 34