Write down the solution for this math problem: Solve -481*u = -90*u - 7429 for u.
answer: 19

Write down the solution for this math problem: Solve -8*n + 739 - 835 = 0 for n.
answer: -12

Write down the solution for this math problem: Solve 3 = 3*c + 6 for c.
answer: -1

Write down the solution for this math problem: Solve -3460*n + 1064 = -3384*n for n.
answer:
14