Write down the solution for this math problem: Solve 0 = -35521*k + 35539*k + 72 for k.
answer: -4

Write down the solution for this math problem: Solve -63 = 173*d - 110*d for d.
answer: -1

Write down the solution for this math problem: Solve -16576*w + 17836*w = 97020 for w.
answer: 77

Write down the solution for this math problem: Solve 0 = -514027*k + 514388*k - 13357 for k.
answer:
37