Problem: Math Problem
Solve 2855*k = 2341*k - 35466 for k.

A: -69

Problem: Math Problem
Solve 35*r + 12057 = 11*r + 11889 for r.

A: -7

Problem: Math Problem
Solve 0 = 91*r + 4360 - 4087 for r.

A:
-3