Answer :
3 because the original equation is mx+b and m=the slope or rise over run. Or the number to the left of the "x" is the slope
What is the slope of 3x-7y=6
3x - 7y = 6
-3x -3x
-7y = -3x + 6
y = 3/7x - 6/7
Slope = 3/7
3x - 7y = 6
-3x -3x
-7y = -3x + 6
y = 3/7x - 6/7
Slope = 3/7