ashleyo2411
ashleyo2411
13-01-2021
Mathematics
contestada
help 6th grade math please help
Respuesta :
kayleeswitzer
kayleeswitzer
13-01-2021
Answer:
12n
Step-by-step explanation:
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roby11
roby11
13-01-2021
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. :)
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