Loopynerd Loopynerd
  • 25-01-2017
  • Mathematics
contestada

7-(r-3)=
Please also explain how you got it

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bcalle
bcalle bcalle
  • 25-01-2017
7 - (r - 3) =
you have to distribute the negative through the parenthesis
7 - r + 3
combine like terms
10 - r
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