Kayla121499 Kayla121499
  • 29-04-2015
  • Mathematics
contestada

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

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Panoyin
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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