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Mathematics, 07.04.2021 05:40 theweave2776

Mrs. Shaw writes this equation on the board. She asks the students to find the solution.
-40 -2(3m + 1/2)= 7m -2
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
-2 11/13 = m

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-40...
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