SOLUTION: x squared - y squared = 39 x - y = 3 I don't know how to set up this problem to find a solution. Thanks!

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Question 92678: x squared - y squared = 39
x - y = 3

I don't know how to set up this problem to find a solution.
Thanks!
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
x - y = 3 ~> x = y + 3
Plug:
x^2 - y^2 = 39
(y + 3)^2 - y^2 = 39
y^2 + 6y + 9 - y^2 = 39
6y + 9 = 39
6y = 30
y = 5
Plug:
x - y = 3
x - 5 = 3
x = 8
Answers: (8,5)