damn algebra problem...

[PCboy]

i forgot i had a problem to do before emailing it to my teacher and my deadline is 10:00pm. Can anyone solve this? I know I can but I'm too lazy.

----------------> fg
-------> F = ---------
------------> f + g - d

f = ?

there are two fs... the big is different from the small one...

it's like
---------------->1 2
-------> 2 = ---------
------------> 1 + 2 - 3

F = 2

now it'll be...

----------------> ?
-------> 1 = ?
------------> ?

 

[UglyCasanova]

I assume these are functions, and that the numerator is f(g). Where are the ( )'s in the denominator?

 

[Cyberian]

I know I can but I'm too lazy.

Oh, well.

 

[IcemanJer]

f = ( (g + d) / (1/F - 1/g) ) / g

or just:

f = (g + d) / (g/F - 1)

 

[Turin39789]

fg = F(f+g-d)
fg = Ff +Fg -Fd
fg - Ff =Fg - Fd
f(g-F) = F(g-d)
f = (F(g-d)) / (g-F)