SOLUTION: 2x - y=7 and x^2 + y^2 =7-xy

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Question 982644: 2x - y=7 and x^2 + y^2 =7-xy
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2x - y=7
y=2x-7
and x^2 + y^2 =7-xy
x%5E2%2B%282x-7%29%5E2=7-x%282x-7%29


x%5E2%2B4x%5E2-28x%2B49=7-2x%5E2%2B7x

7x%5E2-35x%2B42=0
/5
x%5E2-5x%2B6=0
x%5E2-3x-2x%2B6=0
x(x-3)-2(x-3)=0
(x-2)(x-3)=0
x= 2 OR 3