SOLUTION: Could you please help with the following problem. It needs to be solved using the elimination method. The answer that I calculated is not what the book shows. Thanks. x^2+y^2=16

Question 134936This question is from textbook algebra 2
: Could you please help with the following problem. It needs to be solved using the elimination method. The answer that I calculated is not what the book shows. Thanks.
x^2+y^2=16
4x^2-9y^2=36
The answer must be in square root format (different form what the book asks for) This question is from textbook algebra 2

Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Given :

Add these two

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