16-04-2015
Mathematics

contestada

4x-5(x-2)=12x+4-x
??????????????

Respuesta :

Panoyin Panoyin

16-04-2015

   4x - 5(x - 2) = 12x + 4 - x
4x - 5(x) - 5(-2) = 12 - x + 4
    4x - 5x + 10 = 11x + 4
      -x + 10 = 11x + 4
      + x    + x
      10 = 12x + 4
      - 4 - 4
      6 = 12x
   12 12
   0.5 = x

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