Matematika

Pertanyaan

(3/4) A = 7 + (3/2) A. Berapakah nilai A ?

2 Jawaban

  • mencari nilai A
    (3/4) A = 7 + (3/2) A
    (3/4) A - (3/2) A = 7
    (3/4) A - (6/4) A = 7
    (-3/4) A = 7
    A = 7 x -4/3
    A = -28/3
  • mencari nilai A :
    (3/4) A = 7 + (3/2) A
    (kalikan kedua sisi dengan 4)
    3 A = 28 + 6A
    3A - 6A = 28
    -3A = 28
    A = - 28/3
    A = - 9 1/3

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