Which equation is an identity? A. 6m - 6 = 7m + 9 - m B. 3w + 8 - w = 4w - 2(w - 4) C. 8 - (6v + 7) = -6v - 1 D. 5y+5 = 5y-6

asked Feb 26, 2018 77.6k views

3 votes

Which equation is an identity?

A. 6m - 6 = 7m + 9 - m
B. 3w + 8 - w = 4w - 2(w - 4)
C. 8 - (6v + 7) = -6v - 1
D. 5y+5 = 5y-6

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answer is B. 3w + 8 - w = 4w - 2(w - 4)

3w + 8 - w = 4w - 2(w - 4)

2w + 8 = 4w - 2w + 8

2w + 8 = 2w + 8

Daniel Labbe answered Mar 3, 2018

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