Write down the solution for this math problem: Solve 187*c + 36468 = -3865*c for c.
answer: -9

Write down the solution for this math problem: Solve 79 - 75 = -4*n for n.
answer: -1

Write down the solution for this math problem: Solve -q - 6 + 9 = 0 for q.
answer: 3

Write down the solution for this math problem: Solve -5*u = -u + 12 for u.
answer:
-3