Question

C=y/y-z solve for y?

rational expression

Answer 1

`color(red)(y=(C.z)/(C-1))`

Explanation:

`C=y/(y-z)`

`y=C.(y-z)`

`y=C.y-C.z`

`y-C.y=-C.z`

`y(1-C)=-C.z`

`y=(-C.z)/(1-C)=color(red)((C.z)/(C-1))`