Respuesta :
Answer: [tex]6x-8[/tex]
Step-by-step explanation:
Let's get rid of the parenthesis' here as they are useless in this equation
[tex]3x+6-4+3x+6-4\\[/tex]
Now we combine like terms
[tex]3x+3x=6x\\6-4+6-4=-8[/tex]
Your answer will be
[tex]6x-8[/tex]