Q: Solve:
Solve 1226*d - 61870 + 18960 = 0 for d.

A: 35

Q: Solve:
Solve 122940*w - 540 = 122400*w for w.

A: 1

Q: Solve:
Solve -4*d - 14 + 6 = 0 for d.

A:
-2