The answer is 30,000
D+(D-2000)/7=34,000
You want to get rid of the 7 dividing d-2000, so you multiply each side by 7 and get7d+d-2000=238,000, remember, multiply each side!
You simplify that to 8d =240,000, you need to divide 240,000 by 8 and get 30,000.
D=30,000
