Matematika

Pertanyaan

8x - 4 (2x - 3) = 9 (x+1)+12

2 Jawaban

  • awab

    8x - 4(2x - 3) =  9(x  +1)  + 12
    8x - 8x + 12  = 9x + 9 + 12
    12 = 9x + 21
    9x = 12 - 21
    9x = - 9
    x = - 1
  • 8x-8x+12 = 9x+9+12
    12 = 9x+21
    -9x = 21-12
    -9x = 9
    x = 9/-9
    x = -1

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