Clara simplifies (8 b minus 4 r) minus (2 b minus r) and says the result is 6 b minus 5 r. What error did Clara make? Clara incorrectly combined the b coefficients. The correctly simplified expression is 10 b minus 5 r. Clara incorrectly combined the r coefficients. The correctly simplified expression is 6 b minus 3 r. Clara incorrectly combined the r coefficients. The correctly simplified expression is 6 b + 5 r. Clara incorrectly combined the b coefficients. The correctly simplified expression is Negative 10 b minus 5 r.

Clara incorrectly combined the r coefficients. The correctly simplified expression is 6 b minus 3 r.

Step-by-step explanation:

(8b-4r)-(2b-r)

Open the bracket

=8b-4r-2b+r

Collect the like terms and simplify

=8b-2b-4r+r

=6b-3r

Clara incorrectly combined the r coefficients. The correctly simplified expression is 6 b minus 3 r.

this is a very good question

step-by-step explanation:

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