Solve 19171 - 28870 = 3269*t + 4881 + 63876 for t.
Solve this plz.

A: -24

Solve -34*u + 0 = -306 for u.
Solve this plz.

A: 9

Solve 248*m - 96*m - 32*m = 840 for m.
Solve this plz.

A:
7