Respuesta :

tideouts

Answer:

-54 + 6

forgive me if i'm wrong, i am trying my best!!

CSMedrano

Answer:

-4

Step-by-step explanation:

[tex]f(x)=-3x+6\\\\f(x)=18\\\\\Rightarrow 18=-3x+6\\\\18-6=-3x\\\\12=-3x\\\\x=\frac{12}{-3}\\\\x=-4[/tex]

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