Q: Solve:
Solve -1194*r - 4318 = 18481 - 113 for r.

A: -19

Q: Solve:
Solve 2*k = 8*k + 14*k - 20 for k.

A: 1

Q: Solve:
Solve 1988 = 1417*c - 929*c - 12652 for c.

A:
30