Question

3. Solve for y in terms of a: 2y +a = a(y - 3) - 7

Answer 1

We have the following:

`2y+a=a(y-3)-7`

solving for y:

`\begin{gathered} 2y+a=a\left(y-3\right)-7 \\ 2y=ay-3a-7-a \\ 2y-ay=-4a-7 \\ y(2-a)=-4a-7 \\ y=(-4a-7)/(2-a) \end{gathered}`