alexcuevaz90
21.02.2021 •
Mathematics
I need a bit of help you don’t have to do all of them but put which # your doing please and thank you if you do answer all thank you
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Ответ:
1. 26
2. 15
3. 14
4.
or 
5.
6.
or 
I think most of these answers are correct
Ответ:
Hello!
Your answer is: 9x
because you are subtracting a negative, invert the symbols
(7x) + (2x)
then just combine the like terms to get 9x
I hope this helps, and have a nice day!