Respuesta :

Distribute the 18 to get 

40x + 18x - 54 = 468

Combine like terms to get 

58x - 54 = 468

Add 54 to both sides to get

58x = 522 

Divide by 58 to get 

x = 9. 

Idk what is saying 6, but the answer is 9.

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