Can Someone Help? I'll Give Points And I'll Follow You! :)

Answer:
I believe that it is A, C and G
Step-by-step explanation:
for A(7×2=14)+4=18 is equivalent to (3×2=6)+5+(4×2=8)-1=18
For C it is right because with the values being the same at x value at first the second equation would have one extra but it does subtract that.
For G check c :)
Also update on the ferret?