Q: Solve:
Solve 0 = 557*k - 547*k + 40 for k.

A: -4

Q: Solve:
Solve 3180*y + 126907 = -81966 + 42231 + 4462 for y.

A: -51

Q: Solve:
Solve 551 + 2161 = -84*i - 480 for i.

A:
-38