Mathematics, 18.01.2021 08:30, TheCat250

Mrs. Shaw writes this equation on the board. She asks the students to find the solution.
-40-2 3m + 2) = 7m - 2
a. Keith's work is shown below. What mistake did Keith make?
-40 - 6m + 1 = 7m - 2
-39 - 6m = 7m - 2
-39 = 13m - 2
-37 = 13m
-213 =
= m

Answers: 3

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Mrs. Shaw writes this equation on the board. She asks the students to find the solution.
-40-...