Matematika

Pertanyaan

|×+1|+2×=7 dengan caranya

1 Jawaban

  • | x + 1 | + 2x = 7
    | x + 1 | = 7 - 2x

    x + 1 = 7 - 2x
    x + 2x = 7 - 1
    3x = 6
    x = 2

    -(x + 1) = 7 - 2x
    -x - 1 = 7 - 2x
    -x + 2x = 7 + 1
    x = 8

    Hp = { 2 , 8 }

Pertanyaan Lainnya