Question

I need help solving this!!

Answer 1

addition

Explanation:

32(d/2 - 5) = 224

divide both side by 32

d/2 - 5 = 224/32

d/4 - 5 = 7

multiply both sides by 4

d - 20 = 28

lastly, add 20 to both sides

d = 28 + 20

d = 48

therefore, the last step is addition