Write down the solution for this math problem: Solve 7887*n - 6222*n + 13768*n - 133151 - 314406 = 0 for n.
answer: 29

Write down the solution for this math problem: Solve -13*f - 23916 = 4*f - 23984 for f.
answer: 4

Write down the solution for this math problem: Solve -36*f + 29*f + 28 = 0 for f.
answer: 4

Write down the solution for this math problem: Solve 2066*n - 48346 = 1238 for n.
answer:
24