O conjunto de solução do sistema 2x-5y=0 6x-5y=2 é :?

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  • Anônimo
    Há 9 anos

    2x - 5y = 0 x(-1)

    6x - 5y = 2

    _______________

    - 2x + 5y = 0

    6x - 5y = 2 +

    _______________

    4x = 2

    x = 2/4 (: 2)

    x = 1/2

    2.1/2 - 5y = 0

    1 - 5y = 0

    - 5y = - 1 x(- 1)

    5y = 1

    y = 1/5

    C.S = {(1/2,1/5)}

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