Solve 447*x + 1593*x - 74031 - 17875 = 3974 for x.
Solve this plz.

A: 47

Solve 36*m = 20 - 128 for m.
Solve this plz.

A: -3

Solve -4257 = -232*i - 241*i for i.
Solve this plz.

A:
9