Answer:
Step-by-step explanation:
Although the way you wrote problem, this is not what it looks like, I think this is what you meant.
BOI YOU TALKING ABOUT SOME THIS LOOKS EASY, THIS DOESN'T EVEN LOOK EASY PLUS... i dont know the answer. Bye
12 inches
(5f-3)(-2)
-10f + 6 = 0
f= 6 + 10
f = 16