Q: What is the solution?
Solve -183*c = 41*c + 1148 + 644 for c.

A: -8

Q: What is the solution?
Solve 5*r + 20 - 30 = 0 for r.

A: 2

Q: What is the solution?
Solve 0 = -8*n + 11 - 19 for n.

A:
-1