Write down the solution for this math problem: Solve 0 = 37*n - 40*n + 6 for n.
answer: 2

Write down the solution for this math problem: Solve 46*f + 75 = 121*f for f.
answer: 1

Write down the solution for this math problem: Solve 0 = -18030*f + 18021*f - 36 for f.
answer: -4

Write down the solution for this math problem: Solve -8970*s + 8981*s - 319 = 0 for s.
answer:
29