Answer:
[tex]\huge\boxed{3b-1}[/tex]
Step-by-step explanation:
[tex]\text{Combine like terms.}\\\\\\b+4+2b-5\\\\b+2b+4-5\\\\3b-1\\\\\text{The expression could not be simplified further.}\\\\\\\boxed{\text{The correct answer should be: } 3b-1}[/tex]
Hope this helps.
