Solve -117 = 12*m - 23*m + 20*m for m.
Solve this plz.

A: -13

Solve -145*j + 27610 = -1400*j for j.
Solve this plz.

A: -22

Solve 16*w = 24*w - 16 for w.
Solve this plz.

A:
2