Help 6th grade math please help

Mathematics

2 answers:

Harman [31]2 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]2 years ago

3 0

Answer:

12n

Step-by-step explanation:

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