Write down the solution for this math problem: Solve -47*f + 106*f - 50*f = 27 for f.
answer: 3

Write down the solution for this math problem: Solve -185*c + 217*c = 0 for c.
answer: 0

Write down the solution for this math problem: Solve -356*x + 4584 + 6032 = -3980 for x.
answer: 41

Write down the solution for this math problem: Solve 3*k - 283 = -277 for k.
answer:
2