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(-1 – 2n + 3n) – (-7n+4)
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(-1 – 2n + 3n) – (-7n+4)

User Yeonho
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1 Answer

4 votes

Answer:

-1-2n+3n is 0.

-7+4 is -3

-3+0 is -3

-3 is ur answer

User Nalin Dobhal
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