Q: Solve:
Solve -2708*k + 159*k + 40124 = -389*k - 28996 for k.

A: 32

Q: Solve:
Solve -71*d - 80*d + 492 = -69*d for d.

A: 6

Q: Solve:
Solve -27 + 29 = 21*w - 82 for w.

A:
4