Q: What is the solution?
Solve 6857 = 474*w + 4487 for w.

A: 5

Q: What is the solution?
Solve -9*f + 32 + 13 = 0 for f.

A: 5

Q: What is the solution?
Solve -11*b - 105 = -32*b for b.

A:
5