davinioza
davinioza davinioza
  • 13-02-2018
  • Mathematics
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soniayeung1243oxuz6x
soniayeung1243oxuz6x soniayeung1243oxuz6x
  • 13-02-2018
7y-3=5y+3
2y=6
y=3
so the length of XY = 7*3-3 =18
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