Write down the solution for this math problem: Solve 2547 - 18340 = 720*u + 209*u for u.
answer: -17

Write down the solution for this math problem: Solve -17002*w + 16976*w + 364 = 0 for w.
answer: 14

Write down the solution for this math problem: Solve -3079*r = -3080*r for r.
answer: 0

Write down the solution for this math problem: Solve -16634*p + 16779*p + 6960 = 0 for p.
answer:
-48