SOLUTION: x2+6y^2=10 8x^2-y^2=15 what is the solution??

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Question 725895: x2+6y^2=10
8x^2-y^2=15
what is the solution??
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
x2%2B6y%5E2=10
8x%5E2-y%5E2=15
multiply by 6
48x%5E2-6y%5E2=90
add up the equations
49x%5E2=100
/49
x^2= 100/49
x= +/- 10/7
plug x and find two values of y