Respuesta :

stu118643

Answer:

d=19

Step-by-step explanation:

180=62+4+6d
180=66+6d
180-66=66-66+6d
114=6d
114/6=6d/6
19=d

divabuky

Answer:

d = 19

Step-by-step explanation:

62 + (6d + 4) = 180

180 - 62 = 118

6d + 4 = 118

6d + 4 - 4 = 118 - 4

6d = 114

6d/6 = 114/6

d = 19