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Which expression has the same value as (7a-2)+(a-4)

A)8a-6
B)6a+8
C)7a-2
D)8a+8

3 answers

(7a - 2) + (a - 4)

Combine like terms. What do you think the answer is?
I don't know how to combine it
7a + a = 8a

-2 + -4 = -6

8a - 6
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