Answer: 1
Step-by-step explanation:The equation for slope is y2- y1/x2-x1. Filling in these variables we'll get
2--4/-2-d=-2 = 2 +4/-2-d = -2 = 6/-2-d = -2
6 / x = -2 = x = -3 Therefore, -2 -d = -3 add 2 on both sides and you will get -d = -1 divide by sides by -1 to get d =1