Solve 747*q - 838*q - 135 = 47 for q.
Solve this plz.

A: -2

Solve -198*m = -1028*m + 567*m - 6575 for m.
Solve this plz.

A: -25

Solve 143*m + 78 = 156*m for m.
Solve this plz.

A:
6