RudyLopez RudyLopez

31-01-2017
Mathematics

contestada

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

Respuesta :

Аноним Аноним

31-01-2017

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

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