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erykahdolcine22:
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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Ferredoxin4:
Use mathematical induction. Do you know what that means? Plug in a test point for m, let's say m=2, and check if the final values are the same. Mathematical induction does not hold value when the test point is either 0 or 1, that's why I chose 2.
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