Answer:
[tex]5a+2b+9[/tex]
Step-by-step explanation:
Given expression:
[tex]3a+4+b+2a+5+b[/tex]
In order to simplify the given expression, we will first group the like terms.
[tex]3a+2a+b+b+4+5[/tex]
Then we combine the like terms,
[tex]3a+2a=5a\\b+b=2b\\5+4=9[/tex]
The terms combined can be written as:
[tex]5a+2b+9[/tex] (Answer)