Q: Solve 67825290 = -91*w + 67821195 for w.

A: -45

Q: Solve 147*u - 38*u + 472905 = 1316*u + 3878*u for u.

A: 93

Q: Solve -99190 + 324990 = -1600*c - 658*c for c.

A: -100

Q: Solve -479*u + 478*u = -1 for u.

A:
1