Q: Solve -53*c - 35 = -1042 for c.

A: 19

Q: Solve 197*f - 556 = -3018 - 493 for f.

A: -15

Q: Solve 21*p + 87 - 24 = 0 for p.

A: -3

Q: Solve 12*v - 2 = 11*v for v.

A:
2