A curve with polar equation $$r=\frac{11 }{4 \sin \theta+25 \cos \theta}$$ represents a line. This line has a Cartesian equation of the form $y = mx + b$, where $m$ and $b$ are constants. Give the formula for $y$ in terms of $x$. For example, if the line had equation $y = 2x+3$ then the answer would be $2x + 3$.