Q: Solve 90 = -149*c + 167*c for c.

A: 5

Q: Solve -484 = 223*j + 1949 - 426 for j.

A: -9

Q: Solve 7158*u - 6438*u + 61200 = 0 for u.

A: -85

Q: Solve 65803 + 23261 + 20214 = -2802*o for o.

A:
-39