Respuesta :

Hi there!  

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I believe your answer is:  

[tex]27x-9[/tex]

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Here’s why:

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[tex]\boxed{\text{Simplifying the Expression:}}\\\\4x - 9 + 23x\\----------\\\rightarrow 4x + 23x - 9\\\\\rightarrow \boxed{27x-9}[/tex]

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Hope this helps you. I apologize if it’s incorrect.  

Answer:

27 x - 9

Step-by-step explanation:

Simplify the expression

4 x - 9 + 23 x

combine like terms

4 x + 23 x - 9

27 x - 9