Verified answer

The Slope-Intercept form is: y = mx + b.

Solve for y.

-x - 4y = -32

-4y = x - 32

y = (-1/4)x + 8

m = (-1/4)

b = 8

y = 7x

m = 7

b = 0

y = -9x - 3

m = -9

b = -3