Matematika

Pertanyaan

3/5(x-2)= 1/4x+3 adalah ( / sama dengan per)

2 Jawaban

  • 3/5(x-2) = 1/4x+3 *20
    20(x-2) x 3 /5  = 20(1/4x) + 3
    12(x-2) = 5x+60
    12x-24 = 5x+60
    12x-5x = 60+24
    7x = 84
    x = 84:7
    x = 12
  • 3/5(x-2) = 1/4x+3
    3/5x-10 = 1/4x+3 -------->> (dikali silang)
    3(4x+3) = 1(5x-10)
    12x+9 = 5x-10
    12x-5x = -10-9
    7x = -19
    x = -19/7

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