SOLUTION: An enigneer needs values for x and y that satisfy both the following equation x-y=3 and 3x-y=13. What are the needed values?

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Question 1066723: An enigneer needs values for x and y that satisfy both the following equation
x-y=3 and 3x-y=13. What are the needed values?
Found 2 solutions by josgarithmetic, Alan3354:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
3x-y-%28x-y%29=13-3
Go on from there.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x- y =3
3x-y=13
---------------- Subtract