Question 239379
To find the slope and y-intercept, write your equation in the form y = mx + b, where m = the slope and b = y-intercept.

15x + 9y = –27 

9y = -15x - 27

y = (-15x - 27)/9

y = (-5/3)(x) - 3

The slope is (-5/3) and the y-intercept is -3.