Solve 0 = 200*u - 203*u - 18 for u.
Solve this plz.

A: -6

Solve 4079*n - 207366 = -8119*n for n.
Solve this plz.

A: 17

Solve 1850 = -239504*b + 239430*b for b.
Solve this plz.

A:
-25