Q: What is the solution?
Solve 427*u + 150 = 421*u for u.

A: -25

Q: What is the solution?
Solve 1065 = -412372*c + 412585*c for c.

A: 5

Q: What is the solution?
Solve -132*d = -304*d + 155*d + 106*d + 1246 for d.

A:
-14