Question #6edb3

1 Answer
Feb 7, 2018

d = 4

Explanation:

41 = 12d - 7

Add 7 to both sides..

41+7 = 12d - 7 + 7

48 = 12d

Divide both sides by 12

48/12 = (12d)/12

48/12 = (cancel12d)/cancel12

48/12 = d

d = 4