10x+y=9

The slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept.

y=mx+b

Subtract 10x from both sides of the equation.

y=9-10x

Reorder 9 and -10x.

y=-10x+9

y=-10x+9

Using the slope-intercept form, the slope is -10.

m=-10

Find the Slope 10x+y=9