Q: Solve -30*c + 31*c = 16*c for c.

A: 0

Q: Solve -55*u + 524859 = -197*u + 1048808 - 525227 for u.

A: -9

Q: Solve -306*h + 235*h - 710 = 0 for h.

A: -10

Q: Solve -42*v + 50 = 8*v for v.

A:
1