Respuesta :

d=-8
3(-8-8)-5 3(-16)-5=-48-5=-53
9(-8+2)+1=9(-6)+1=-54+1=-53
3(d-8)-5 = 9(d+2) + 1

3d - 24 - 5 = 9d + 18 + 1

3d - 29 = 9d + 19

3d = 9d + 48

-6d = 48

48/-6 = -8

d = -8