Problem: Math Problem
Solve 0 = 782*u - 772*u + 50 for u.

A: -5

Problem: Math Problem
Solve 239*b - 7*b + 10526 + 3100 + 6558 = 0 for b.

A: -87

Problem: Math Problem
Solve 25*u + 7*u - 224 = 0 for u.

A:
7