SOLUTION: I am 38 years old and I don't remember this stuff too well. I know Z=(Y+X)/X and X=Y/(Z-1) I have been moving these variables around and can't remember how I got the solut

Question 60609: I am 38 years old and I don't remember this stuff too well.
I know Z=(Y+X)/X
and X=Y/(Z-1)
I have been moving these variables around and can't remember how I got the solution for X from the first equation. Please help in refreshing my memory.

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Z=(Y+X)/X
:
Mult eq by x and you have:
ZX = Y + X
:
Subtract x from both sides and you have;
ZX - X = Y
:
Factor out x:
X(Z-1) = Y
:
Divide both sides by (Z-1)
X = y/(Z-1)

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