Q: Solve:
Solve -14*z - 80 = -164 for z.

A: 6

Q: Solve:
Solve 6*r = -149*r - 9*r + 12464 for r.

A: 76

Q: Solve:
Solve -83799 - 106123 + 420 - 22742 = 2307*k for k.

A:
-92