Matematika

Pertanyaan

tolong dong dijawab
pakai caranya ya!!!
tolong dong dijawab pakai caranya ya!!!

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1 Jawaban

  • 2x + (3x-20) = 180
    5x - 20 = 180
    5x = 200
    x = 40

    BCA = 2.40 = 80

    BAC = 70 + 80 + BAC= 180
    150 + BAC = 180
    BAC = 30

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