Matematika

Pertanyaan

|3×+2|=5
|x-2|=|2x-1|

1 Jawaban

  • Nilai Mutlak

    |3x + 2| = 5
    3x + 2 = 5
    3x = 5 - 2
    x = 3 : 3
    x = 1

    3x + 2 = -5
    3x = -5 - 2
    x = -7/3

    HP {1 , -7/3}

    |x - 2| = |2x - 1|
    x - 2 = 2x - 1
    x - 2x = -1 + 2
    -x = 1
    x = -1

    x - 2 = -(2x - 1)
    x - 2 = -2x + 1
    x + 2x = 1 + 2
    3x = 3
    x = 1

    HP {-1 , 1}

    semoga berguna +_+

Pertanyaan Lainnya