The given equation is
[tex]4(x+2)+y=4[/tex]We just have to subtract 4(x+2) from each side
[tex]\begin{gathered} 4(x+2)-4(x+2)+y=4-4(x+2) \\ y=4-4(x+2) \end{gathered}[/tex]Then, we use the distributive property
[tex]\begin{gathered} y=4-4x-8 \\ y=-4x-4 \end{gathered}[/tex]