Matematika

Pertanyaan

|x+2|+|x|+|3x-4|=5
Berapa jawabannya ?

1 Jawaban

  • |x + 2| + |x| + |3x - 4| = 5
    x + 2 + x + 3x - 4 = 5
    x + x + 3x + 2 - 4 = 5
    5x - 2 = 5
    5x = 5 + 2
    5x = 7
    x = 7/5
    x + 2 + x + 3x - 4 = -5
    x + x + 3x + 2 - 4 = -5
    5x - 2 = -5
    5x = -5 + 2
    5x = -3
    x = -3/5
    HP = {-3/5, 7/5}

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