SOLUTION: I have a problem with two equations inside brackets. The first equation is x^2+y^2=5. The second one is y-2x=2. I'm not sure about my solution, though. This is what I ended up with

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Question 1097333: I have a problem with two equations inside brackets. The first equation is x^2+y^2=5. The second one is y-2x=2. I'm not sure about my solution, though. This is what I ended up with. (-4 plus or minus sqrt21/5, 2 plus or minus 2*sqrt21/5). Am I correct? Thank you for your time.
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
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The first equation is x^2+y^2=5. The second one is y-2x=2.
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As long as you are sure that your x is what is needs to be, just use the second equation to find y.


substitute for x and simplify.

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