Answer :

ZacMac
x-9-3x=

x-3x-9=

-2x-9

This is my answer.
x−93x
=x+−9+3x
=x+−9+3x —Combine like terms
=(x+3x)+(−9)
Answer:
=2x+−9
Good luck with your studies, I hope this helps~!

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