zincmanganese
New member
- Joined
- Aug 8, 2016
- Messages
- 1
The question is to rearrange (1/x) + (1/y) = 1 and the answer is y/y-1 = x.
The working I've got so far is:
1/x = 1/1 - 1/y
Invert the fractions
x = 1 - y
So my question is, how do you get to the right answer? What have I done wrong?
The working I've got so far is:
1/x = 1/1 - 1/y
Invert the fractions
x = 1 - y
So my question is, how do you get to the right answer? What have I done wrong?