xavierbrown
xavierbrown xavierbrown
  • 12-04-2016
  • Mathematics
contestada

Solve the proportional equation below: 4/7=28/(x+18)

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AmazingMc
AmazingMc AmazingMc
  • 12-04-2016
4/7=28/(x+18)

4/7 =28/x+18
-18 |    -18
      |
__________
-17 2/7=28/x
*28      | *28
           |
__________
-484  =  x

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