SOLUTION: how do i solve this equation? 2x^2 + y^2 =9 3x+6 = 4y-4x

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Question 1022966: how do i solve this equation?
2x^2 + y^2 =9
3x+6 = 4y-4x
Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
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how do i solve this equation?
2x^2 + y^2 =9
3x+6 = 4y-4x
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 

2x%5E2+%2B+y%5E2 = 9,      (1)
3x+%2B+6 = 4y+-+4x.   (2)

Express y = %287x%2B6%29%2F4 from (2) and substitute it into (1). You will get a single equation for unknown x. 
Then simplify and solve it.