Question: What is the solution?

Solve 0*u - 38*u - 3727 + 2093 = 0 for u.

Answer: -43

Question: What is the solution?

Solve 4*o + 4*o + 0*o + 48 = 0 for o.

Answer: -6

Question: What is the solution?

Solve -127 - 431 = -9*y - 53*y for y.

Answer: 9

Question: What is the solution?

Solve 37519 = -665*c + 5482 + 15716 - 54169 for c.

Answer:
-106