0
Anonymous
18
Lisa Schaefer ∙
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It is 7a. 12a - 6a = 6a + 1a = 7a.
Wiki User
18a
12a2b + 6a = 6a(2ab + 1)
4a+8a = 12a 12a divided by 2 = 6a
It is 20a - 5b - 9.
21a - 6a
12a