Question

Which expression is NOT equivalent to the other three?
A) −9 − 7n + 16n
B) 9(n − 9)
C) n − 9 + 8n
D) 9n − 9

Answer 1

B be cause it would be 9n-81 while all the other are 9n-9

Answer 2

The answer is letter C) n-9+8n