Q: Solve -12 = 1396*f - 1390*f for f.

A: -2

Q: Solve 91 = -9*i + 100 for i.

A: 1

Q: Solve -167*y - 2 = -165*y for y.

A: -1

Q: Solve -1548137*b + 1548122*b + 555 = 0 for b.

A:
37