[tex]y-4=3x+5y\qquad|\text{add 4 to both sides}\\\\y=3x+5y+4\qquad|\text{subtract 5y from both sides}\\\\-4y=3x+4\qquad|\text{divide both sides by (-4)}\\\\\boxed{y=-\dfrac{3x+4}{4}}[/tex]