Solve 143*j - 2028 = -26*j for j.
Solve this plz.

A: 12

Solve 79*u - 74*u + 25 = 0 for u.
Solve this plz.

A: -5

Solve 2208*r + 1120*r - 12432 = 40816 for r.
Solve this plz.

A:
16