Answer:
-3/4
Step-by-step explanation:
Move the 3x over to the side with the 3 so it will become a -3x now you have 4y=-3x+3 now you have to remove the 4 from the y so now you have y=-3/4x+3/4 so you slope will be -3/4
y = -9 + 75 = 66
x = 27-(-11) = 27 + 11 = 38
slope = 66/28