Problem: Math Problem
Solve 809*m = 388*m + 350*m - 1420 for m.

A: -20

Problem: Math Problem
Solve -20332 + 3562 = -645*i for i.

A: 26

Problem: Math Problem
Solve 509*m + 3228 = 82*m + 22509 + 8047 for m.

A:
64