Solve -17*u + 611 - 798 = 0 for u.
Solve this plz.

A: -11

Solve -59*b - 260 = -200*b - 410 - 1119 for b.
Solve this plz.

A: -9

Solve -561 + 842 = 258*u - 3847 for u.
Solve this plz.

A:
16