asked 104k views
4 votes
Which equation is an identity?

7 - (9x + 3) = -9x - 4
6m - 5 = 7m + 5 - m
10p + 6 - p = 12p - 3(p - 2)
3y + 2 = 3y - 2

asked
User Sizuji
by
7.8k points

1 Answer

3 votes
10p + 6 - p = 12p - 3(p - 2)
9p + 6 = 12p - 3p + 6
9p + 6 = 9p + 6 is an identity.
answered
User Alex Derkach
by
7.8k points
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