Matematika

Pertanyaan

tolong jawab please 1. 2y=x-15 2.y=2/3x+7 PLEASE jawab

1 Jawaban

  • y=2/3x+7
    2y=x-15
    2(2/3x+7)=x-15
    4/3x+14 =x-15
    4/3x-x=-15-14
    4/3x-3/3x = -15-14
    1/3x = -29
    x = -29 ÷ 1/3
    x = -29 × 3/1
    x = -87

    y=2/3x+7
    y=2/3(-87)+7
    y= -174/3 + 7
    y= -58+7
    y = -51

    x = -87
    y = -51

    Semoga membantu yaa ;)

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