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

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

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