ashleyo2411
ashleyo2411 ashleyo2411
  • 13-01-2021
  • Mathematics
contestada

help 6th grade math please help

help 6th grade math please help class=

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kayleeswitzer
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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