laurennperezz laurennperezz
  • 10-12-2017
  • Mathematics
contestada

ella simplifies (3b+4r)+(-2b-r) and says the result is b+5r. what error did ella make

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 10-12-2017
she added 4r and ,+r instead of 4r and -r
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dvikhan dvikhan
  • 08-07-2018
Ella incorrectly combined the r coefficients. The correctly simplified expression is b + 3r
Answer Link

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