Answer
y=-$\frac{4}{3}$x+$\frac{4}{3}$
m=-$\frac{4}{3}$
y-intercept=$\frac{4}{3}$
Work Step by Step
First isolate y in the given equation.
4x+3y=4
4x-4x+3y=-4x+4
3y=-4x+4
$\frac{3y}{3}$=$\frac{-4x+4}{3}$
y=-$\frac{4}{3}$x+$\frac{4}{3}$
Now that the equation is in the form of y=mx+b you can see than m=-$\frac{4}{3}$ and y-intercept=$\frac{4}{3}$