Answer:
-13
Step-by-step explanation:
1. To find the slope, it'd be much to convert the line from standard form to slope-intercept form, meaning we have to solve for y. (y = mx + b, where y = y-coordinate, m = slope, x = x-coordinate, and b = y-intercept.)
2. (Solving)
Step 1: Subtract 13x from both sides.
Step 2: Add 5 to both sides.
3. As you can see, -13 is in the place of m, the slope.
Therefore, the slope of the equation 13x + y - 5 = 0 is -13.