Problem: Math Problem
Solve 0 = 15*x + 150 - 405 for x.

A: 17

Problem: Math Problem
Solve -30*n + 120 = 17*n - 350 for n.

A: 10

Problem: Math Problem
Solve 4607*s - 31815 = -110243 - 73603 for s.

A:
-33