Solve -174*k + 586*k = 142*k + 133*k - 9864 for k.
Solve this plz.

A: -72

Solve 68*u - 3072 - 1384 = -1094*u + 48*u for u.
Solve this plz.

A: 4

Solve -2553*m + 1725*m - 2155*m - 105744 - 97100 = 0 for m.
Solve this plz.

A:
-68