Answer:
The slope is -3/4
Explanation:
3x+4y = 8
We want to get the equation in slope intercept form
y = mx+b where m is the slope
Subtract 3x from each side
3x+4y-3x= -3x+8
4y = -3x+8
Divide by 4
4y/4 = -3x/4 +8/4
y = -3/4x +2
The slope is -3/4 and the y intercept is 2