longlivedeedee longlivedeedee
  • 01-05-2020
  • Mathematics
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3x + 9x simplified pls

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Аноним Аноним
  • 01-05-2020

Answer:

12x     i hope this helps!    :_

Step-by-step explanation:

3x + 9x = 12x

3 + 9 = 12

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