Respuesta :

Answer:

-51

Step-by-step explanation:

5x + 3y -7z = 5 x 4 + 3 x -5 - 7 x 8

= 20 - 15 - 56

= -51

Answer:

This is your answer ☺️. If I'm right so,

Please mark me as brainliest. thanks!!!

Ver imagen charlieputh234