Question 55693: I do understand factorial but not when it is done like this. Can you help me?
Solve for w: (3w+1)!=7! Answer by Mona27(45) (Show Source):
You can put this solution on YOUR website! Well, this one seems fairly easy, because 7! cannot equal the factorial of any other number except 7.
So 3w+1=7
and this gives
w=2