Q: Solve -404*u + 1100*u = -5613 + 61683 + 5874 for u.

A: 89

Q: Solve 131*z - 318 = 206 for z.

A: 4

Q: Solve 1673*x - 12003 = 13092 for x.

A: 15

Q: Solve -433*z = -434*z + 3 for z.

A:
3