Matematika

Pertanyaan

jika -102x + 17y = 136 maka 66x - 11y = ??

2 Jawaban

  • -102x+17y=136
    17(-6x+y)=136
    Berarti (-6x+y)=136/17 = 8
    sehingga
    66x-11y = -11(-6x+y)=-11×8=-88.
  • -102 x + 17y = 136 =====> bagi 17
    -6x + y = 8 ===========> kali 11
    -66x + 11y = 88 =======> kali -1
    66x - 11y = -88

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