Q: Solve -118*f = -114*f + 8 for f.

A: -2

Q: Solve -5253 = 185*b - 853*b + 12783 for b.

A: 27

Q: Solve -1225*s + 319*s = 26274 for s.

A: -29

Q: Solve -507*x = -1223*x + 34368 for x.

A:
48