Solve 159*m - 98*m = 90*m + 25 - 141 for m.
Solve this plz.

A: 4

Solve 0 = 19*q + 510 - 700 for q.
Solve this plz.

A: 10

Solve 421*h - 34400 + 39452 = 0 for h.
Solve this plz.

A:
-12