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Which equation is an identity?

7m – 5 = 8m + 7 – m


3w + 8 – w = 4w – 2(w – 4)


9 – (2v + 3) = –2v – 6


–3y + 3 = –3y – 6

Please explain your answer.

User Kdopen
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1 Answer

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answer b hope i helped have a good day
User Rosalinda
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