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netineya [11]
3 years ago
14

Which expression is NOT equivalent to the other three?

Mathematics
2 answers:
Travka [436]3 years ago
3 0
B be cause it would be 9n-81 while all the other are 9n-9
Citrus2011 [14]3 years ago
3 0
The answer is letter C) n-9+8n
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