Solve -18*m - 557*m + 1007 = -8193 for m.
Solve this plz.

A: 16

Solve 236 = -13*u + 184 for u.
Solve this plz.

A: -4

Solve -99*p - 3743 + 1606 = -320*p + 8913 for p.
Solve this plz.

A:
50