Answer :
p=64d+2112
Subtract 2112 on both sides
p-2112=64d
Divide all terms by 64
p/64-33=d
Rearrange
d=p/64-33
Subtract 2112 on both sides
p-2112=64d
Divide all terms by 64
p/64-33=d
Rearrange
d=p/64-33