Respuesta :

Answer:

f(7) = - 4

Step-by-step explanation:

To evaluate f(7) substitute x = 7 into f(x)

f(7) = 10 - 2(7) = 10 - 14 = - 4

Answer: X= 3/2

Step-by-step explanation:

y=10-2x

then plug in the 7 for f(x) so,

7=10-2x

subtract the 10 from both sides

-3=-2x

divide -2

answer x=3/2