Answer:
[tex]y = \frac{8}{(p+q+4)}[/tex]
Step-by-step explanation:
[tex]py+qy=-4y+8[/tex]
start by adding 4y to each side, so you get
[tex]py+qy+4y=8[/tex]
then pull the y out of each term on the left (factoring, reverse distribution)
[tex]y(p+q+4) = 8[/tex]
now you can divide by the stuff in paretheses to get y by itself
[tex]y = \frac{8}{(p+q+4)}[/tex]