Respuesta :

ruby1454
The answer would be -2.
First you would have to make 5d positive.
-1(-5d)= 5d
Next you would subtract d from 5d
5d-d= 4d
Finally you get the variable by its self. Divide both sides by 4
4d=-8
4/4=1d or just d
-8/4=-2
D=-2