Matematika

Pertanyaan

nilai x dari x + 2 per x - 2 = 5
Nilai x dari 3x + 8 per 2x - 3 = 4

1 Jawaban

  • (x+2) ÷ (x-2) = 5
    X+2 = 5(x-2)
    X+2 = 5x-10
    2+10 = 5x-x
    12 = 4x
    X = 12÷4
    X = 3

    (3x+8)÷(2x-3) = 4
    3x+8 = 4(2x-3)
    3x+8 = 8x-12
    8+12 = 8x-3x
    20 = 5x
    X = 20÷5
    X = 4

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