Matematika

Pertanyaan

tolong kerjakan no 20
tolong kerjakan no 20

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1 Jawaban

  • a = 3(-1) + 10
    a =7

    f(b) = 3b + 10
    -2 = 3b + 10
    -2 - 10 = 3b
    b = -4

    a + b = 7 + (-4) = 3

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