Matematika

Pertanyaan

Tentukan nilai variabel a= 2b -2, a= -b + 1

1 Jawaban

  • a = 2b - 2

    a = b + 1

    Dicari masing-masing.

    a = 2b - 2

    a = b + 1
    2b - 2 = b + 1
    2b - b = 1 + 2
    b = 3

    a = 2b - 2
    a = 2(3) - 2
    a = 6 - 2
    a = 4

    Jadi a = 4 dan b = 3

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