colrai98 colrai98
  • 20-04-2017
  • Mathematics
contestada

Which property of equality justifies the statement if y+7=9, then y=2?

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Huntzxx
Huntzxx Huntzxx
  • 20-04-2017
you minus 7 on both sides and you are left with y=2 because 7-9 = 2
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