Mathematics, 01.08.2019 10:20 fara26

Ella simplifies (3b+4r)+(-2b-r) and says the result is b+5r. what error did ella make? a. ella incorrectly combined the b coefficients. the correctly simplified expression is 5b+5r. b. ella incorrectly combined the b coefficients. the correctly simplified expression is -b+5r. c. ella incorrectly combined the r coefficients. the correctly simplified expression is b-5r. d. ella incorrectly combined the r coefficients. the correctly simplified expression is b+3r.

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