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Mathematics, 17.04.2021 14:00 nails4life324

Maria said the expression −4n+3+9n−4 is equivalent to 4n. What error did Maria likely​ make? What error did Maria likely​ make?

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Maria said the expression −4n+3+9n−4 is equivalent to 4n. What error did Maria likely​ make? What e...
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