Mathematics, 04.12.2019 15:31 arianaaldaz062002

The expression -3m - [2m + (5 - m)] + 7 was simplified as 2 - 4m. without simplifying, explain how you can show that it has been simplified correctly.

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The expression -3m - [2m + (5 - m)] + 7 was simplified as 2 - 4m. without simplifying, explain how y...

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