Solve 20*a = 12*a + 16 for a.
Solve this plz.

A: 2

Solve 0 = 5832*u - 5885*u - 159 for u.
Solve this plz.

A: -3

Solve -1528360*m + 252 = -1528351*m for m.
Solve this plz.

A:
28