Matematika

Pertanyaan

a+2b =500,00 3a+b =500,00

1 Jawaban

  • a + 2b = 500
    3a + b = 500

    a + 2b = 500
    a = 500 - 2b

    3a + b = 500
    3(500 - 2b) + b = 500
    1.500 - 6b + b = 500
    - 5b = 500 - 1.500
    - 5b = - 1.000
    b = 200

    a = 500 - 2b
    a = 500 - 400
    a = 100

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