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# Simultaneous equation

1. y=2-x
X^2+2xy=3

So I did x^2+2x(2-x)=3 so -x^2+4x-3=2-x

So x^2-5x+5 but I think this is wrong
2. You should have and not =2-x as you have put above.

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Updated: October 15, 2016
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