Matematika

Pertanyaan

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2 Jawaban

  • 2/x + 3/2x = 1/x-1
    4/2x + 3/2x = 1/x-1
    7/2x = 1/x-1
    7x-7 = 2x
    5x = 7
    X = 7/5 = 1 2/5
  • [tex] \frac{2}{x}+ \frac{3}{2x}= \frac{1}{x-1} \\ \frac{4+3}{2x} = \frac{1}{x-1} \\ \frac{7}{2x} = \frac{1}{x-1} \\ 7x-7=2x \\ 7x-2x=7 \\ 5x=7 \\ x= \frac{7}{5} =1 \frac{2}{5} [/tex]