Kayla121499 Kayla121499

29-04-2015
Mathematics

contestada

3x+2 (5x+4)=47
what is x

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Panoyin Panoyin

30-04-2015

    3x + 2(5x + 4) = 47
3x + 2(5x) + 2(4) = 47
      3x + 10x + 8 = 47
      13x + 8 = 47
      - 8   - 8
      13x = 39
       13    13
      x = 3

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