Mathematics, 29.06.2021 17:40 abolton04

7.8 + 2(0.75m + 0.4) = -6.4m + 4(0.5m - 0.8) Mia solved the equation and determined that m = 2. Is she correct?
She is incorrect because when substituting 2 for m the result was a true statement.
She is incorrect because when substituting 2 for m the result was a false statement.
She is correct because when substituting 2 for m the result was a true statement.
She is correct because when substituting 2 for m the result was a false statement.

Answers: 2

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7.8 + 2(0.75m + 0.4) = -6.4m + 4(0.5m - 0.8) Mia solved the equation and determined that m = 2. Is...