Matematika

Pertanyaan

Persamaan X-1 /2 + X /3 = 3X + 1 /5 mempunyai penyelesaian.....

2 Jawaban

  • x-1 x 1
    __ + __ = 3x + ___
    2 3 5
    ________________di kali 30
    15(x-1) + 10(x) = 30(3x) + 6
    15x - 15 + 10x = 90x + 6
    -15-6 = 90x-10x-15x
    -21 = 75x
    x = - 21/75
    x = -7/25
  • X-1/2+x/3=3x+1/5
    ________________di kali 30
    30x - 15 + 10x = 90x + 6
    -15-6 = 90x-10x-30x
    -21 = 50x
    x = - 21/50

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