Respuesta :

The answer is 9 because 4 times 4 is 16 and 16 -7 is 9 so thats your answer can  mark me as the brainiest answer thnx

To find your answer substitute x for 4 in 4x - 7
4 * 4 - 7 

Now solve for the value
4 * 4 - 7 
16 - 7 
9 is your answer