Q: Solve 851*c = 842*c + 72 for c.

A: 8

Q: Solve -2 = 3*d - 14 for d.

A: 4

Q: Solve 38*l + 229 + 1104 + 342 = 3 for l.

A: -44

Q: Solve -678*q + 1562 + 4054 = -1243*q + 669*q for q.

A:
54