Problem: Math Problem
Solve 160386*v + 18045 = 159985*v for v.

A: -45

Problem: Math Problem
Solve -554*z = 387*z - 17101 - 12070 for z.

A: 31

Problem: Math Problem
Solve 0 = 31*u + 12*u + 129 for u.

A:
-3