Answer:
3x - 4y = 24
-4y = -3x + 24
y = (3/4)x - 6
The slope is 3/4, and the y-intercept is -6.
Plot the point (0, -6). From this point, go up 3 units, then right 4 units, to the point (4, -3). Plot this point, and then draw a line through these two points.