Respuesta :

Answer:


Step-by-step explanation:

I assume the question is "what is x"

Let x be the number.

At most means less than or equal to.

3(9+x)<-9

Distribute: 3*9+3*x<-9

27+3x< -9

Subtract 27

3x< -36

Divide by 3

x< -12

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