Respuesta :

Answer:

y=−5x+7;y=47

sagot po ito

x=−8 and y=47

Step-by-step explanation:

sana po makatulong

Answer: x = -8

Explanation:

f(x) = -5x + 7; f(x) = 47

=> -5x + 7 = 47
-5x = 40
x = -8