Question

solve for y:
x=(y+8)/(y+4)

Answer 1

\[x=\left(\begin{matrix}y+8 \\ y+4\end{matrix}\right)\]

Answer 2

x=(y+8)/(y+4)


x(y+4)=y+8


xy+4x=y+8


xy=y+8-4x


xy-y=8-4x


y(x-1)=8-4x


y=(8-4x)/(x-1)


y=(-4x+8)/(x-1)


So the answer is \[\Large y = \frac{-4x+8}{x-1}\]