3x+4y=17 solve for y.
Isolate "y":\(3x+4y=17\\ \\ 4y=17-3x\\ \\ \boxed{y=\frac{17-3x}{4}}\)
\(3x+4y=17\ \ \ /-3x\\\\4y=17-3x\ \ \ \ /:4\\\\y=\frac{17-3x}{4}\\\\y=4.25-0.75x\)