Answer :

Answer:

b+5a+b+9

Step-by-step explanation:

Answer:

5a + 2b +9

Step-by-step explanation:

3a+4+b+2a+5+b

Combine like terms

3a+2a+b+b+5+4

5a + 2b +9

If you truly meant B and b and they are not the same

5a + B+b +9

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