Q: What is the solution?
Solve 0 = -60*c - 28*c + 562 + 2166 for c.

A: 31

Q: What is the solution?
Solve 97*n + 216383 = 215219 for n.

A: -12

Q: What is the solution?
Solve 63 = -63*u + 78*u - 12 for u.

A:
5