Respuesta :

Answer: [tex]\frac{y}{4}=-\frac{3}{a}[/tex]

Steps:

[tex]\frac{4-y}{4}=\frac{a+3}{a}\\\frac{4}{4}-\frac{y}{4}=\frac{a+3}{a}\\1-\frac{y}{4}=\frac{a}{a}+\frac{3}{a}\\1-\frac{y}{4}=1+\frac{3}{a}\\\frac{y}{4}=-\frac{3}{a}[/tex]