Answer:
the awnswer is a = 7 + c
Step-by-step explanation:
Answer: 21 . . . . . .
Credit to the person below-
f(x) = x + 3 and g(x)= - 2 ( f - g )(7t)
I'm not sure, I just tried ma best :) !
The answer to this question is:
y = -2x - 1