Mathematics, 03.03.2021 04:50, XVARYX

Sean states the equivalent expression for (m + 4n) - 2.5m is -3.5m - 4n. Alia states he is wrong. Explain to Sean what mistake he made , what he should do and what the correct answer is. ANSWER ASAP PLSS

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Sean states the equivalent expression for (m + 4n) - 2.5m is -3.5m - 4n. Alia states he is wrong. Ex...

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