Problem: Math Problem
Solve 33952 = 1649*r + 473*r for r.

A: 16

Problem: Math Problem
Solve 892*b - 1021*b + 2193 = 0 for b.

A: 17

Problem: Math Problem
Solve 301*z - 21*z + 2749 + 2011 = 0 for z.

A:
-17