Matematika

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Tolong no 6. Pakai cara

Tolong no 6. Pakai cara

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  • 5y + 17 + 73 = 180
    5y = 90
    y = 18

    5y + 17 = 5 × 18 + 17 = 107

    5x - 27 + 107 = 180
    5x = 100
    x = 20

    x - y = 20 - 18 = 2

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