Matematika

Pertanyaan

Penyelesaian dari ½ (x+3) = ¼ (3x-1)
A. 7
B. 5
C. 4
D. 2

1 Jawaban

  • 1/2(x+3) = 1/4(3x-1) =... ??????

    jawab.....
    = 1/2x + 3/2 = 3/4x -1/4
    = 1/2x - 3/4x = -3/2-1/4
    = 2/4x -3/4 x = -6/4 - 1/4
    = -1/4x = -7/4
    = x = -7/4 : -1/4
    x = 7. A

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