Matematika

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tolong jawabannya ka
tolong jawabannya ka

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1 Jawaban

  • y = 2x

    4x + y = 12
    4x + 2x = 12
    6x = 12
    x = 12/6 = 2

    y = 2x = 2(2) = 4

    nilai
    2y - 5x = 2(4) - 5(2) = 8 - 10 = -2

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