Q: What is the solution?
Solve 5013 + 10551 + 29624 = -813*z + 1286 for z.

A: -54

Q: What is the solution?
Solve 187*x - 491*x + 12711 = 46455 for x.

A: -111

Q: What is the solution?
Solve -11 = -a - 14 for a.

A:
-3