Answer:
D. 12 + n
Step-by-step explanation:
To solve this question we have to simplify each equation 1 by 1 :
First, let us do the equation in the problem:
8 + (n - 4) = n +4
Now let us review the answers:
A. Is equivalent because 8 + (n - 4) = n + 4
B. Is equivalent because (8 - 4) + n = n + 4
C. Is equivalent because (8 + n) - 4 = n + 4
and D. is not equivalent because obviously 12 + n does not equal n + 4
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