Matematika

Pertanyaan

-10x - 7=3x + 19 bagaiman cara penyeselaiannya

2 Jawaban

  • -10x -7 = 3x + 19
    -10x - 3x = 19 + 7
    -13x = 26
    x = 26/-13
    x = -2
  • -10x-7 = 3x+19
    -10x-7+7 = 3x+19+7
    -10x = 3x+26
    -10x-3x = 3x-3x+26
    -13x = 26
    -13x.(-1/13) = 26.(-1/13)
    x = -2

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