Answer:
[tex]b-2[/tex]
Step-by-step explanation:
[tex](3b+4) + (-2b-6)[/tex]
We will need to add like terms. 3b and -2b are like terms and 4 and -6 are like terms.
Let's add 3b and -2b.
[tex]b+4-6[/tex]
We can now add the like terms 4 and -6.
[tex]b-2[/tex]