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6/u+3/v=2 and 2/u-9/v=4?

This is a system, and x=1/u and y=1/v. Can someone please explain how you would solve this? Or what it is called?

1 Answer

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  • Anonymous
    10 years ago
    Favorite Answer

    substitution method or change variables

    6x+3y = 2

    2x-9y = 4

    3(equation 1)+equation 2 ---> 20x = 10 ---> x = 1/2 , y = -1/3

    ---> 1/u = 1/2 or u = 2

    1/v = -1/3 ---> v = -3

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