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monitta
3 years ago
9

Help 6th grade math please help

Mathematics
2 answers:
Harman [31]3 years ago
5 0
The answer would be 12n. You have to put like terms together. When you add 9n+3n, you get 12n. Then you would do 2+ (-2) which cancels out and becomes 0. That leaves you with 12n. :)
AveGali [126]3 years ago
3 0

Answer:

12n

Step-by-step explanation:

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