rodney3 rodney3

14-10-2015
Mathematics

contestada

What is the answer to 4(x + -7) +12=20

Respuesta :

Panoyin Panoyin

14-10-2015

    4(x - 7) + 12 = 20
4(x) - 4(7) + 12 = 20
   4x - 28 + 12 = 20
   4x - 16 = 20
   + 16 + 16
   4x = 36
      4 4
   x = 9

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Leeza11 Leeza11

14-10-2015

X=9 You ise the distribution property and get 4x-28+12=20. Combine the like terms amd you get 4x -16=20. Add 166 to both sides and you get 4x =36. Divide by four and you get x=9

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