eymyac9727673554
eymyac9727673554 eymyac9727673554
  • 06-05-2021
  • Mathematics
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Help me ASAP! PLEASE

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anetto
anetto anetto
  • 06-05-2021

Answer:

15

Step-by-step explanation:

Since the total degrees of ANY triangle is 180 degrees, start by subtracting 63 and 45 by 180.

180-63-45=72

Now take the 12 from (4x-12) and subtract that from 72.

72-12=60

Now divide 60 by 4 from the 4x.

60/4=15.

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