Solve 221*o = 7120 - 2258 for o.
Solve this plz.

A: 22

Solve -1351*v + 163*v - 635*v - 92973 = 0 for v.
Solve this plz.

A: -51

Solve 4*m - 8*m = -12 for m.
Solve this plz.

A:
3